Historic Bridge in Nova Scotia Collapses Because of Truck- Reminder to Obey Weight and Height Limits

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Calls are being given to all drivers to obey weight and height limits on bridges after historic bridge collapses in Nova Scotia, Canada

CANSO (NOVA SCOTIA), CANADA/ REDWOOD FALLS (MINNESOTA), USA-  Government officials on local, state and national levels are urgently calling on truck drivers to beware of weight and height restrictions on bridges before crossing.  This includes crossing bridges with overhead coverings, such as through truss bridges and covered bridges, but also light weight bridges and underpasses.

This is in response to an incident that happened yesterday in the town of Canso, in the Canadian Province of Nova Scotia. There, a semi truck tried to cross the Canso Truss Bridge, a riveted Pratt through truss bridge connecting Durell’s Island with the main land. The truck made it halfway across the structure when the decking gave out and the trusses folded like a deck of cards, sending the truck and the driver 7 meters into the water. The driver was taken to the hospital for injuries. Another person who guided the truck onto the bridge got off before the collapse happened. A video and a link to the article about the incident is below.

Link with video:

https://www.facebook.com/plugins/video.php?href=https%3A%2F%2Fwww.facebook.com%2Fbert.delorey.1%2Fvideos%2F310576820116648%2F&show_text=0&width=560

http://globalnews.ca/news/7150678/steel-truss-bridge-near-canso-n-s-collapses/

The bridge, which was the main link to the island was scheduled to be replaced because of its age and structural obsoleteness. Workers had been doing some prep work for a new bridge built alongside the nearly century old structure.  A temporary crossing is in the works, yet ferry service has been made available for the island’s residents.

The incident came as officials in Redwood and Renville Counties in Minnesota recently installed “headache” bars at another historic bridge. The Gold Mine Bridge is a Parker through truss bridge spanning the Minnesota River at county highway 17 near the village of Delhi. It was one of two known surviving works of German engineer- later politician, Lawrence H. Johnson, who built the structure in 1903.  Truck drivers have reported to have crossed the bridge despite it having a five ton weight limit.  Currently, nearby bridges at county highways 6 and 101 are being rebuilt. A bar with the height of 8.5 feet (2 meters) has been erected at both ends of the bridge and a speed limit of 10 mph has been enforced.Truckers needing to cross the Minnesota River are urged to use the Hwy. 71 and 19 Bridges at Morton.

Bridge collapses as a result of disregarding weight and height restrictions are nothing new, for an average of 25-30 bridges worldwide have either been severely damaged or totally destroyed- a third of which come from the United States and Canada. Truckers have complained of being dependent on the GPS system and finding short cuts, yet part of the problem stems from the lack of education, in particular math and sciences, that has become important for all businesses in general. Truckers need it to understand weight and gravity, but also to calculate the difference between convenience versus safety.  Other factors like working conditions with poor pay must also be taken into account. While many are annoyed that these bridges have restrictions and signs are needed to inform them, as one engineer stated in response to a collapse of another historic bridge in Iowa in 2017: Signs are there to save lives.

Tips on how to avoid areas, including bridges, that are restricted can be found in an interview done in 2015, which you can click here.

BHC 10 years

BHC Newsflyer: 17 April 2020

Phelps Mill Bridge in Otter Tail County, MN: Photo taken by Jake Lennington

 

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To listen to the podcast, click on the link here: https://anchor.fm/jason-smith-bhc19/episodes/BHC-Newsflyer-17-April-2020-ect4hb

 

 

Headlines:

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Kern Bowstring Arch Bridge Has (Possible) New Home in Fergus Falls
Photo taken in 2009
 
3rd Avenue Bridge in Minneapolis to be Rehabilitated
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Kassberg Bridge. Photo taken in 2017
 
Kassberg Bridge in Chemnitz Reopens After 2-year Restoration
 
Historic Bridge in Halsbrücke to be Removed
 
Amrutanjan Viaduct in India Imploded
Article on the demolition:  Amrutanjan Bridge Demolished
 
Champlain Bridge before its replacement bridge. Photo: UncivilFire / CC BY-SA (https://creativecommons.org/licenses/by-sa/3.0)
Team Selected for Champlain Bridge Removal in Montreal
 
Work Commences to Finish Sixaola Bridge Project
Photo taken by John Phelan (NPS)
 
Art Competition for Arthur A. Smith Covered Bridge:
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BHC Newsflyer: April 10, 2020

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Heiligborn Viaduct in Waldheim (Saxony), Germany. Photo taken in 2018

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To listen to the podcast, click onto the link: https://anchor.fm/jason-smith-bhc19/episodes/BHC-Newsflyer-10-April-2020-eclf2j

 

Headlines:

Railroad Bridge north of Basel (Switzerland) Collapses- One Dead

Information on the incident: https://www.brueckenweb.de/2content/datenbank/bruecken/3brueckenblatt.php?bas=97327

 

A10 Bridge in Tuscany Region. Photo by Frank Selke

Century Old Bridge in Italy Collapses- Minor Casualties

Article:  https://www.bbc.com/news/world-europe-52213898

Bridge info:  https://www.brueckenweb.de/2content/datenbank/bruecken/3brueckenblatt.php?bas=86926

 

 

Spencerville Covered Bridge Recognized as State’s Favorite

Article:  https://www.kpcnews.com/thestar/article_90e3aec5-2039-51c9-8f97-6ff9ebf11b70.html

Bridge Information: https://bridgehunter.com/in/de-kalb/spencerville/

 

Bridge Street Bridge in Gardiner. Photo taken by Brian Bartlett

Gardiner Bridge Project Delayed Due to Corona Virus

Article: https://www.centralmaine.com/2020/04/07/gardiner-bridge-replacement-project-delayed/#

Info on the Project: https://reed-reed.com/gardiner-maine-bridges/

Bridge Info: https://bridgehunter.com/me/kennebec/bh59101/

 

Finlay Bridge in Medicine Hat (Alberta), Canada. Photo by Bryan Leitch / CC BY-SA (https://creativecommons.org/licenses/by-sa/4.0)

Finlay Bridge in Medicine Hat (Alberta), Canada to be Rehabilitated

Article: https://chatnewstoday.ca/2020/04/06/city-planning-rehabilitation-of-finlay-bridge/

Bridge Info: https://en.wikipedia.org/wiki/Finlay_Bridge

 

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Bothell Bridge. Photo taken by John Gateley

Bothell Wooden Truss Bridge to be Replaced

Info on Bridge Project: http://www.ci.bothell.wa.us/487/Park-at-Bothell-Landing-Pedestrian-Bridg?fbclid=IwAR1udFEhVnOu6xcG1RsNJNY_MY39J5H3TvrxCwgwSIHX6wk_QjncTI2A8lg

 

Tour Guide on the Bridges of Waldheim (Saxony), Germany

Tour Guide: The Bridges of Waldheim (Saxony), Germany

BHC Newsflyer 9 July, 2019

Merill Road Bridge in George County, Mississippi. Photo taken by James Baughn in 2015

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Listen to the podcast with all the headlines and commentary on the UNESCO World Heritage being given to the Ore Mountain region here: https://anchor.fm/jason-smith-bhc19/episodes/BHC-Newsflyer-9-July–2019-e4is4a

 

Merill Road Bridge Restored: http://bridgehunter.com/ms/george/bh44065/

Historic Bridge Head/Gate restored at Alte Brücke in Heidelberg, Germany:

Article: https://www.rheinpfalz.de/lokal/artikel/heidelberg-tor-der-alten-bruecke-erstrahlt-in-neuem-glanz-eineinhalb-jahre-saniert/

Bridge facts: https://en.wikipedia.org/wiki/Old_Bridge_(Heidelberg)

Bear Tavern Bridge in New Jersey Relocated- Reused as a decoration to a new crossing

Article: http://mercerme.com/old-jacobs-creek-bridge-at-new-home-on-valley-road/

Bridge facts: http://bridgehunter.com/nj/mercer/bear-tavern/

 

Two Erie Canal Bridges to be Rehabilitated

Article: https://www.wxxinews.org/post/renovation-project-begins-historic-erie-canal-lift-bridges

            Bridge facts (Spencerport): http://bridgehunter.com/ny/monroe/4443230/

            Bridge facts (Fairport): http://bridgehunter.com/ny/monroe/4443220/

 

Key Railroad Crossing in Lausanne to be Rehabilitated with Crawler Cranes: https://www.suedostschweiz.ch/aus-dem-leben/2019-07-05/bruecke-in-lausanne-wird-mit-groesstem-raupenkran-europas-saniert

 

Play depicting Kate Shelley now showing:

https://www.facebook.com/Kate-Shelleys-Bridge-202977743956361/

Information on Kate Shelley:  https://www.kateshelley.com/

 

Ore Mountains Receives World Heritage Award

  News article:https://www.dw.com/en/unesco-declares-erzgebirge-region-a-world-heritage-site/a-49497680

            Author’s comments can be found in the podcast.

 

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Interview with Lincoln McCardle and the Successful Rehabilitation of the Blackfriars Bridge in London, Canada

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LONDON, ONTARIO (CANADA)- Almost four months after the reopening of the longest bowstring arch bridge in the world, located in Canada, the Blackfriars Bowstring Arch Bridge is starting to receive some well-deserved accolades for the work that was done for the bridge. As mentioned earlier, the 1875 product of the Wrought Iron Bridge Company finished second in the Ammann Awards in the categories of Best Example of a Restored Historic Bridge and Bridge of the Year, good enough for silver medals. It won the Author’s Choice Award for the former mentioned category. And just recently, on 21st February, the bridge won the ACO London Conservation and Reuse Award, presented by the City of London.  Here’s a photo of the presentation of the bridge upon receiving the award:

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The photos were taken by one of the people who contributed to saving the bridge, Lincoln McCardle. Like many residents in London, Lincoln has close ties and memories of the bridge, as he hung out with friends and the like at the bridge while growing up. His mother, Judi, has even more of an attachment to the bridge to a point where she has had a house located in the “visual vicinity” of the bridge (and judging by the article, her house does have a great view with the bridge.) She has even painted pictures of the bridge and has collected some works on it!!!

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Judi McCardle talking about the bridge at the ACO Awards Ceremony in London

It’s pretty difficult to say who were spearheading the efforts to saving the bridge, even though the two are two of the bridge’s biggest fans. However, there was a time when the decision between rehabilitating and replacing the bridge was that difficult to make. But when the decision was made to do the rehab, it was well worth the work. I had a chance to interview Lincoln via e-mail about the Blackfriars Bridge. Like the author of the Chronicles, he was in charge of the social network scene, devoting his time to bringing the Blackfriars Bridge to the attention of the people in London and beyond.  Thanks to that alone, it garnered a lot of attention and support, which made the decision to rehabilitate the bowstring arch bridge much easier than without. To give you an idea, here is a youtube clip of him as an overture to the interview conducted with the Chronicles.  Check out the finished product at the end of the interview and feel free to comment. Have fun watching the film and reading the interview. 🙂

 

1. The bowstring arch bridge had been closed to all traffic from 2013 until the project. What factors led to the decision to restore the bridge?

The decision to restore was actually very much in doubt for some time. While deemed the more expensive in the Environmental Study Report, it was decided that rehabilitation was the preferred option. I believe that key factors that went into this decision were: importance as a significant heritage structure, role within the parks and pathway system as well as transportation network and perhaps most importantly it’s value to the community. In short, people love it!

2. Who were the key players in the project to restore the bridge?

Most notably the city of London itself. As well as provincial and federal government funding. Much of the prlimanry work was done by Dillon Consulting and the actual construction and rehabilitation work was done by McLean Taylor Construction Limited. Of course, there were many community and heritage activists whom without this project may never have taken place.

3. Describe in phases how the bridge was restored, beginning with the dissembly and ending with the reopening?

The procedure to carefully lift the bridge was been developed with safety as a priority. The steps were as follows:

  • Remove non-structural items to reduce weight lifted.
  • Prepared temporary steel framing and cables to provide an apparatus for
  • the lift.
  • Set up two cranes for the lift, one on each side of the river. Two additional
  • cranes set up for worker access.
  • Lift bridge off the abutments and lower it down to an area above the river for improved worker access, while continuing to support it from the cranes at all times.
  • Cut bridge at the mid-span with torches while supported by the cranes.
  • Lift each half of the bridge to the nearest side of the river.
  • Dismantle and inventory the bridge for delivery off site for rehabilitation.

After nine months of the off-site repair and rehabilitation, the bridge was returned back in place across the Thames River on August 15, 2018.

4. Where was all the work done?

The bridge was actually transported to St. Mary’s, Ontario where the work was done. (About a 45 minute drive away from the site.) it was decided that bridge removal and off-site rehabilitation provides benefits including a longer life expectancy and improved worker and public safety. Off-site rehabilitation within a large indoor space created a safer worksite, ensure better quality control, reduce the need for environmental protection measures and take advantage of the winter months to complete much of the work. It also allowed for hot riveting to mimic the workmanship of 1875.

5. Why was the bowstring cut into half before being flown? Why not use the truck or two helicopters at the same time for carrying the bridge?

Two large cranes were required simply to lift the bridge – including one that is amongst the largest in North America. The bridge itself is 216 feet (65.8 meters) and is the longest working span of that kind in North America – it was determined that cutting it in half was the only possible way to transport it.

6. What difficulties did you have in restoring the bridge?

While I wasn’t involved myself, it’s pretty common knowledge that the major obstacle was the condition of the bridge. The project team had to constantly measure their desire to keep as much of the original bridge as possible while satisfying safety codes. This piece of the original structure that was gifted to me will give you an idea of what they were up against:

bridge piece

The rehabilitation process involved an ongoing assessment of the condition of the individual bridge parts with a combination of reuse, upgrades and the fabrication of replicas. Much of the wrought-iron members were in good enough condition to reuse. For example, the pedestrian railing and lattice that exists in several locations on the bridge were reused with local upgrades where corrosion is severe and bridge design requirements dictate. The bowstring arch was also reused and upgraded where its condition required.

 

7. Some historians and bridge preservation claimed that restoring the bridge is not considered restoration but more like a replacement because of new materials that were used to replace the old plus some of the extra components added to the bridge which compromises the historical value of the bridge. What is your opinion on that?

I reluctantly see their point. While I’m confident that every effort was made to restore as much of the original structure as possible there were clearly beyond repair and severely corroded. These needed to be replaced with new similar looking parts to increase the longevity of the bridge. While all original parts would have been ideal and had simply been neglected to long and at this point I’m happy to have the original bridge back – or at least a as much as possible the 1875 design of it.

 

8. Was the bridge listed on any Canadian national registry prior to restoration? Did it maintain its status when it was reopened in November?

Yes and yes. Blackfriars Bridge is a heritage-designated property under Part IV of the Ontario Heritage Act on April 21, 1992 and is included on the Ontario Heritage Bridge List, a list of provincially significant bridge structures. In 2016, Blackfriars Bridge was recognized as a National Historic Civil Engineering Site by the Canadian Society for Civil Engineering. In addition, it is included on the Canadian Register of Historic Places.

 

9. Up until this interview, has this bridge received any accolades or at least a nomination for its restoration?

Yes, in fact I’m attending a gala tonight as it was nominated for an ACO London 2019 London Heritage Award. (https://acolondon.ca/news/2019/1/28/announcing-the-2019-london-heritage-award-nominees) As well, it has been nominated as one of the Great Places in Canada many times over the years. (http://greatplacesincanada.ca/) Perhaps most telling however is the number of times it has figured in various artistic works, visual and literary. The bridge is loved and cherished by many.

 

10. The Paper Mill Bridge in Delaware has won the Ammann Awards in two categories: Bridge of the Year and Best Example of a Restored Historic Bridge, narrowing beating you in a voting marathon. In both categories you got second place, meaning a silver medal. In addition, you guys won the Author’s Choice Awards for Best Example of a Restored Historic Bridge. Congratulations on both! What is the reaction have you guys been receiving?

It’s been really special to have a bridge that means so much to me appreciated by others. The truth is my personal goal was simply to raise awareness of the bridge – so to have it even nominated was far beyond my initial expectations. And to then win the Author’s Choice Awards for Best Example of a Restored Historic Bridge is a dream come true. It really is a local heritage gem and to have it recognized outside of our corner of the world really validates what I’ve felt all along – we are blessed to have such a historic span. The bridge has supported Londoners for 145 years and its well-deserved that it gets some support in return!

 

11. We have some examples of bowstring arch bridges that have been sitting abandoned and waiting for restoration and repurposing. Among them include a bowstring arch bridge in Flensburg, Indiana, Livermore Falls Bridge in New Hampshire and the Kern Bowstring Arch Bridge in Mankato, Minnesota, the latter still holds the title of being the longest historic bridge in the US and second longest in the world behind you. What advice would you give to the groups interested in restoring the structure and bring it back to life for recreational purposes?

It sounds cliché but team work makes the dream work. I honestly believe that this restoration would have taken place without a lot of people reminding their friends and neighbours that not only did this bridge exist but that it was special and deserved to be saved. The lower cost of simply replacing it with a new structure was tempting to local government but heritage is a non-renewable resource. Given the obstacles faced by this project, I would suggest that the best time to start such a campaign is 25-years ago, with today being the next best option.

Blackfriars Bridge is one of the oldest and rarest bridges in Canada and an irreplaceable landmark in the Blackfriars/Petersville neighbourhood,” says Mayor Matt Brown. “This structure contributes to the character of our community. Preserving London’s built heritage matters and seeing the structure returned, looking just like it did in 1875, really brings our City’s history to life.”

And the finished product! 🙂

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Many thanks to Lincoln for the interview and the photos.

2018 Ammann Awards Results

Paper Mill Bowstring Arch Bridge in Newcastle, Delaware. Winner of the Best Example of a Restored Historic Bridge and Bridge of the Year. Photo taken by Julie Bowers

Last Year the Awards will be given using the name Othmar H. Ammann. Next year it will use the name Bridgehunter’s Awards.

First podcast on the Award results with table results here.

Results of the Awards under Best Photo

ZWICKAU (SAXONY), GERMANY/ SCHWARZENBERG, GERMANY/ KANSAS CITY/ LAWRENCEBURG (INDIANA)/ NEWCASTLE (DELAWARE)/ SAN FRANCISCO-

This year’s results of the Ammann Awards is nothing like anyone has ever seen before. A record setting number of votes were casted in eight categories, and with that, a lot of suspense that is comparable to any bowl game in college football and waiting under a Christmas tree for Santa Claus to provide gifts. It was that intense. And with that, a lot of commentary that led to making some new changes in the award format and that of the Chronicles itself.

For the first time in the history of the Ammann Awards, there will be a podcast with commentary of the Awards in all but one of the categories. This can be found here but also via SoundCloud. You can subscribe to Soundcloud by scrolling down on the left column, clicking and signing up once you arrive there. Details on how podcasts will be used for the Chronicles will be presented in the next podcast, which will also be posted here.  The table with the results of the Ammann Awards are presented here but in the order of the podcast so that you can follow. As in last year, the table features the top six finishers with some honors mentioned, but color coded based on the medals received in the following order: gold, silver, bronze, turquoise, quartzite and iron ore.

And so without further ado, click here to access the podcast but keep this page open to follow. The results in Best Photo is yet to come here.

2018 Ammann Award Results:

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And lastly, the results of the Ammann Awards under the category Best Bridge Photo:

1st place:

Photo 5: Sigler Bridge in White County, IL by Melissa Brand-Welch

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2nd Place: 

Photo 13: Trolley Bridge in Waterloo, Iowa by Diane Ebert

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3rd Place:

Photo 10:  Manhattan Bridge in Riley County, Kansas by Nick Schmiedeleier

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4th Place:

Photo 3: Chesterfield-Battleboro Bridges by Dan Murphy

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5th Place:

Photo 11: Route 66 Gasconade Truss Bridge in Missouri by Dyuri Smith

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6th Place:

Photo 2: Tappan Zee Bridge in New York by Dan Murphy

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The full table with the results can be seen here.

As mentioned in the podcast, next year’s awards will be the same but under a new name: The Bridgehunter Awards. The name Ammann will be relegated to the Tour Guide Awards for US and international bridges; whereas the Best Example of a Restored Historic Bridge will be renamed the Delony Award, after the late Eric Delony.  An additional category is being considered for a historic bridge threatened with demolition but has the potential to being saved and reused. The Author’s Choice Awards will remain the same as is.

While we’re talking about those awards, you can see the results and commentaries here.

To those who won in their respective categories, as well as those who finished in the top 6 or were honored, congratulations. You may now bring out the sect and champaign and celebrate. Prost! 🙂

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2018 Author’s Choice Awards: Mr. Smith makes his picks

Lowe Bridge in White County, Illinois. Photo taken by Melissa Brand-Welch

Before announcing the official winners of the 2018 Ammann Awards, it’s time to take a look at the winners of the Author’s Choice Awards. Here, the author of the Chronicles (yours truly) picks out the best and worst in terms of bridges. And for this year, there is plenty of fame to go around. So without further ado, let’s take a look at my picks to close off a busy year.

 

Spectacular Bridge collapse

USA:

Florida International (niversity Bridge in Miami- There are accidents with fatalities that are caused by natural disasters, then we have some caused by human error. The Florida International University Bridge in Miami, which had been built by FIGG Bridge Engineering was one that collapsed on March 15th, killing six people was one that was caused by human error. Faulty design combined with a lack of thorough inspection caused the double decker bridge to collapse in broad daylight, turning a dozen cars passing underneath into steel pancakes. Most of the fatalities were from people who were squished underneath. It was later revealed the FIGG and four other companies had violated seven regulations resulting in fines totalling $89,000. Yet they are not out of the woods just yet, due to lawsuits pending against them.  It is unknown whether a new pedestrian bridge will be built.

Honorably mentioned:

Kingsland Bridge in Texas- We have accidents caused by mother nature that produced no fatalities and not even the most modern of bridges can withstand. A pair of runner-ups come to mind on the American side: The bridges that were lost in the worst forest fire in California history, and this one, the Kingsland Viaduct, a 50-year old bridge spanning Lake Llano that was washed away by floodwaters on October 6th. Fortunately here, no casualties were reported. A new bridge is being built.

 

International:

Morandi Viaduct in Genoa, Italy- It was the collapse of the year. The Morandi Viaduct in Genoa in Italy collapsed on 14 August during a severe storm. 22 people were killed, many of them had been crossing the concrete cable-stayed suspension bridge at the time of the collapse. The work of bridge engineer Ricardo Morandi had been under scrutiny due to defects in the decking and concrete cables and it was a matter of a simple storm to bring part of the bridge down. It served as a wake-up call for the Italian Government as it introduced strict standards for bridges afterwards, also in Europe. Other Morandi bridges are being examined with replacement plans being put together. As for this bridge, the 54-year old structure is currently being replaced with a steel/concrete beam viaduct, which is expected to be finished by 2020.

Chiajara Viaduct in Colombia- Runner-up here is another cable-stayed bridge, but located in the forest near Bogota. Here one didn’t need a storm to bring down the partially-built bottle-shaped cable-stayed suspension bridge, which happened on 15 January. 200 people were attending a seminar when the collapse happened, unfortunately those who were on the bridge- about 20 workers- were not so lucky. Eight were killed and others were injured, some critically.  The completed half of the bridge was taken down six months later. It is in the process of being rebuilt.

 

Biggest Bonehead Story:

We had a lot of eye-rolling and forehead-slapping stories in this category. So we’ll start at the place where anything can happen: The United States

USA:

Man Destroys Historic Bridge in Indiana, Gets Sentenced and Asks for a Retrial- This really bonehead story goes back to the now extant Hohmann Railroad Bridge, which used to span the Grand Calumet River near Hammond. The person was arrested and tried on federal charges of not only trespassing onto the bridge, but destroying property for the sake of scrap metal- without even a permit. His claim: no one owns it so the metal was his. He was sentenced to 10 years in prison without parole, yet he just recently asked for a retrial- for treating him unfairly in court and for wrongful judgement! Mr. President (Donald J. Trump): I have the perfect candidate for you to replace Elaine Chao as Head of the US Department of Transportation! He’s that type of guy!

Truck Driver Destroys Covered Bridge in East Chicago Days after Its Reopening- If the mother of this driver was at the scene of this rather careless accident, the person would have had a lesson of a lifetime, known as You break it, you fix it! On 28 June, 16 days after it reopened and was designated as a historic structure, Mr. Eriberto Orozco drove his truck through the covered bridge, ignoring the warning signs and sensors, and plowing smack dab into the newly restored structure. When he got out of the truck, he smiled. He has since been cited for reckless driving and destruction of property. The covered bridge is considered a total loss.

 

International:

Three-Bridge Solution in Saxony- The battle between preservation and progress got a bit hairier and went way over the top with this story: A stone arch bridge had to be rebuilt elsewhere, moved aside for a modern bridge. Unfortunately, as you can see in the video, things went south in a hurry. Watch and find out what happened and why we have three bridges instead of one. The story is in the documentary Voss & Team and starts in the 11th minute.

 

Best example of a restored historic bridge: 

 

International:

Blackfriars Street Bridge-  This year’s awards are the year of the bowstring arch bridge for there were some great examples of restored bridges of this kind that have been reported. While the Paper Mill Bridge won the Ammann Awards in two categories, the Author’s Choice goes directly to the Blackfriars Street Bridge because of the painstaking task of dismantling, sandblasting and repairing (in some cases replacing) and reassembling the structure back into place. All within 18 months time, keeping the historic integrity in mind and the fact that the bridge still holds the world’s record for longest of its kind. This is one that will be discussed in the historic bridge community for years to come and one that deserves some kind of recognition of sorts.

Silk Road Bridge in Turkey- Runner-up in this category goes to the Silk Road Bridge in Turkey. The over 700-year old structure features a multiple span stone arch bridge, built at the beginning of the Ottoman Empire. The bridge underwent an extensive renovation project to strengthen the arches and super structure and put new decking in. The bridge looks just like new. A link to the project is here: https://www.dailysabah.com/turkey/2018/12/26/restoration-of-5-centuries-old-silk-road-bridge-in-central-turkey-completed

USA:

A pair of bridges visited during my US trip definitely deserve some recognition for its work. The Broadway Avenue Bridge in St. Peter, Minnesota is one of them. The 1930s two-span through truss bridge underwent a makeover in 2017 with new decking and lighting, fixing some truss parts and a new coat of paint. The forest green colored bridge looks like it was newly built. It’s definitely one for the ages.  The other bridge worth noting is the State Street Bridge in Bridgeport, Michigan. The 112-year old two-span Pratt through truss bridge was restored in 2016 where the trusses were taken apart, sandblasted and painted. Some of the truss parts were bent and needed to be straightened. A new pier and new decking followed. The bridge is now one of the key components of the county historical museum, where a collection of historic houses and a park line up along Main Street, adjacent to the Cass River crossing.

 

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The Hidden Gem: Best Find of a Historic Bridge

Originally meant for finding only one historic bridge, I had to make some exceptions for two of the notables that deserve to be recognized. Henceforth, let’s have a look at the winners of the Author’s Choice in this category:

USA:

The Bridges of White County, Illinois- Fellow Bridgehunter Melissa Brand-Welch found a collection of abandoned truss bridges in this southeastern Illinois county, each of which had its unique design and history. There are at least six through truss bridges and numerous pony trusses that one can find here. Each of them have potential to be restored and reused as a bike/pedestrian crossing. This county got second place in the category of Tour Guide for American Bridges in the 2018 Ammann Awards, while Ms. Brand-Welch won in the Best Bridge Photo category with her oblique photo of the Siglar Bridge. Winning the Author’s Choice Awards in this category should be the third and most convincing reason for county officials to act to collaborate on saving these precious structures. If not, then Ms. Brand-Welch has at least three accolades in her name.

Camelback Girder Bridge in Wakefield, Michigan- Runner-up is this small crossing. Michigan is famous for its camelback girder bridges of concrete, for dozens were built between 1910 and 1925. This bridge, located 500 feet away from a park in Wakefield, is easy to miss unless the oversized chair next to the shelter catches you. Then during your stop for a photo and picnic, you will see it. May be a boring concrete structure to some, but it is unique enough for a brief stop.

International:

In the international category we have three bridges that deserve recognition because they are either rare to find or are rarely recognized by the public. We’ll start off with the first bridge:

Höpfenbrücke in Pausa-Mühltropf (Vogtland), Germany- Located just off a major highway, 15 kilometers west of Plauen in Saxony, this bridge was built in 1396 and was an example of a typical house bridge- a bridge with houses either on the structure or in this case, on the abutments. This structure was restored recently after flood damage forced its closure. The bridge is definitely worth the stop as it is one of three key points the village has to offer. The other two are the palace and the city center, where the bridge is located in.

Pul Doba Suspension Bridge- One of the fellow readers wanted some information about this bridge. It is one of a half dozen in India whose towers is shaped like one of the towers of a castle. It was built in 1896 but we don’t know who built it. We do know that this bridge is a beauty.

The Bridges of Conwy, Wales-  How many bridges does it take to get to a castle? Three, according to the city of Conwy in Wales, which has three structures that lead to one of the most popular places in the country: an arch bridge for traffic, a chain suspension bridge for pedestrians and a box through girder with towers for trains. Not bad planning there, especially as they fit the landscape together despite its space issues with the channel and the penninsula.

 

This sums up my picks for 2018. While we will see what 2019 will bring us for historic bridges, we will now take a look at the results of the Ammann Awards, which you can click here. Remember the results include a podcast powered by SoundCloud.

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The Bridges of Niagara Falls

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Rainbow Arch Bridge next to American Falls. Photo taken while on boat tour. All photos and filming were taken by the author in August 2018

Hundreds of tour books, written in about three dozen languages have touted Niagara Falls as one of the 1000 places one has to see once in his lifetime. From the author’s point of view, even though the Falls area is one of the largest tourist traps in North America, maybe even the world, with thousands of souvenirs, restaurants and other main attractions, if one wants to see just the falls themselves, there are five ways to do it: 1. At level along the streets and boardwalks, 2. At night with the fireworks display, 3. Via boat tour which takes the person to the two falls, up close and personal, and 4. Via Skylon Tower on the Ontario side of the falls. And while a person can get a wonderful treat viewing the two falls- American and Horseshoe (the latter is the bigger one)- from Skylon, one can also get a treat viewing the Falls‘ bridges, which is the fifth way.

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Horseshoe Falls at night.

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American Falls at night

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While one can get a picturesque view of the Rainbow Bridge while doing the boat tour, one can photograph all but four of the 20+ bridges from Skylon Tower, including the I-190 Bridge, which is 25 kilometers (12 miles) away and spans the Niagara River. However, to get to all of them, one needs the bike or the car. In some cases, they are reachable by foot.  We did all five parts of the tour and got the bridges in the process. This tour guide will show you the bridges one really needs to see while enjoying the view of the Falls. It will feature a brief summary with a couple pics, plus a map showing where the bridges are located. More bridges can be found in the Chronicles‘ facebook and Instagram pages. In the end, the author can make some recommendations as to where a person can find these bridges with a Tour Guide hint to follow at the end of this tour guide.

We must keep in mind that the tour is focused solely on the Falls area. There are countless bridges along the Welland Canal area, but you can view them via Nathan Holth’s historicbridges.org website, which is here.

So without further ado, let’s have a look at the bridges, starting with the one closest to Lake Ontario going towards Erie.

 

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Lewiston-Queenston Bridge

Location: Niagara River at Interstate 190 (US) and Ontario Highway 405 (a.k.a Kingston Highway, Canada)

Bridge type: Rainbow deck arch

Built: 1962 by the Bethlehem Steel Company in Bethlehem, PA; designed by Waddel and Hadesty

Niagara Falls has four steel deck arches spanning the mighty river between Lakes Ontario and Erie and two of these rainbow deck arches, the bridge type characterized by the unhinged, ribbed arch span that supports the roadway going over it. The Lewiston-Queenston Bridge, which was built in 1962, is the youngest of the bridges in the region. With a total length of 1600 feet (479 meters) and the main span of 1000 feet (305 meters), the Lewiston-Kingston Bridge is the longest of the bridges in the region. It serves as the only US-Canadian crossing, where a person can head west into Canada. While both sides have border crossings and tax-free shops along the freeways, the best vantage point for this crossing is on the Ontario side, where there is parking along the street on the river side, just as the person is entering the freeway. This was where I got most of my photos.  The bridge replaced an iron suspension bridge, which was located downstream and featured Town Lattice portals. More details can be found here.  About 300 meters south of the bridge is the Floral Clock and Park, where one can get some beautiful shots in the spring and summer time, while having a picnic at the same time. However beware, there are costs for parking there, so have some cash with.

 

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Whirlpool Rapids Aero Car

Location: Niagara River at Whirlpool Rapids

Bridge Type: None- An overhead cable railway

Built: 1916 by Leonardo Torres Quevedo  Rehabilitated three times in 1961, 1967 and 1984

Even though the Aero Car is not a bridge per se, this overhead cable railway is considered a crossing, let alone a tourist attraction that one must see if one wants to visit the Whirlpool Rapids in person. The rapids is rather difficult to see from the street due to the high vegetation and because of the risk of drowning, any private boat traffic along the Niagara River and at the Falls themselves is prohibited by law. The exception is with the tour boats travelling up to the Falls. Instead of risking a massive fine of $10,000 or possible death by capsizing and drowning, one can pay $35-40 to ride the Aero Car for up to 15 minutes, getting pictures of the Rapids directly from below and perhaps the two railroad bridges pending on the weather. One can also see the Whirlpool Rapids State Park in the US side and the Robert Moses Power Station on the Canadian side. The concept was developed by Leonardo Torres Quevedo, who later founded the Niagara Spanish Aero Car Company Limited, which owns the 35-person cable car that goes 700 feet across the river.

 

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Whirlpool Rapids Highway Bridge (left) and railroad Bridge (right)

Whirlpool Rapids Highway Bridge

Location: Niagara River near Whirlpool Rapids, carrying Bridge Avenue and Amtrak Railroad

Bridge type: Steel Deck Truss with Pratt Truss features; double-decking with railway on top and roadway at the bottom.

Built: 1899 by Pennsylvania Steel Company; designed by Leffert Buck of Canton, New York

The Whirlpool Rapids Highway Bridge one of two bridges located at the rapids and the second of three international crossings in the Niagara Falls region. Like with the Kingston, its predecessor was a suspension bridge that had been built 30+ years before. The Highway Bridge is the oldest of the bridges in the region, even though the railroad crossing next door to the south appears older but was built 30 years later. It is one of several bridges of its kind that was designed by Leffert L. Buck, who was credited for designing and building all but one bridge over the Niagara River, but was held accountable post humously for the collapse of the Honeymoon Bridge, which had been built in 1897 but collapsed in 1938. The Rainbow Bridge now occupies this spot. Buck was also credited for bridge building in the New York City area, including the Williamsburg Bridge over the East River, which was built in 1903.  The bridge is measured at 790 feet (241 meters) in total, with the arch span being 550 feet (167 meters). It features a double-decker design, where the roadway is at the bottom and train traffic runs on top. Passenger trains also use this bridge and the Amtrak Railway Station is on the American side. Border controls are also found there, yet access to the bridge is rather restricted. While one can get some photos of the bridge from the Ontario side by foot, it is difficult to find a place to park if traveling by car or bike, as access is not possible unless on private property. Only motorized vehicles are allowed to cross the bridge, thus making it impossible to cross on foot unless risking being arrested.  The Highway Bridge has been maintained really well, with a new paint job and other inspections and the like to keep the structure functionally sound, which can cause confusion because it appears younger than its railroad structure next door. Yet there is a reason behind that, as you will see in the next bridge profile.

 

 

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Whirlpool Rapids Railroad Bridge

Location: Niagara River next to Whirlpool Rapids Highway Bridge, carrying CP Railroad (now abandoned)

Bridge Type: Steel deck arch with Pratt truss features

Length: 863 feet (263.1 meters); main span: 640 feet (195 meters)

Built: 1925 by American Bridge Company of New York; designed by Leffert Buck and Olaf Hoff

The Whirlpool Rapids Railroad Bridge is similar to its neighbor to the north and has a history of its own. Its predecessor was a cantilever deck truss bridge with Whipple and Howe features and was one of the first of its kind in North America, having been built in 1883. Its current structure was based on a design created by Buck. However it was shelved after he died unexpectedly of apolexy in 1909. The design was later taken out and modified by Olaf Hoff (and associates William Perry Taylor and J.L. Delming), who contracted with American Bridge to build the structure alonside the cantilever span, which was later removed. The structure appears older than its age, but this has to do with the fact that the crossing has been abandoned since 2001. According to Nathan Holth, an agreement was made between Canadian Pacific Railroad and the City of Niagara Falls (Ontario) where the railroad and bridge would be abandoned as it ran through the tourist district and it was considered a safety concern and a nuisance. The railroad would keep the bridge but eventually remove it completely. As of the visit in 2018, the railroad bridge is still intact and there were no cranes or other vehicles on site that would indicate that there would be any removal activity. The bridge is barracaded with barbed wire to ensure no one climbs onto the bridge to cross it. One can still get some pics- even better, when standing between the two bridges. The bridge can also be seen from Skylon if one looks at it more closely.  Yet beware that the days of the railroad bridge may be numbered and it could be removed sooner than later, unless a preservation party is willing to step in and claim responsibility for repurposing it for bikes and pedestrians. Until that happens, it is recommended to visit the structure while it is still standing.

 

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The Whirlpool Rapids Bridges was built at the site where John Roebling’s first wire suspension bridge had been built. It was constructed in 1855 and featured a double-decking with the railroad going over the top; horse and buggy the bottom deck. It was dismantled after the Highway Bridge was completed in 1897, but not before having undergone an extensive rehabilitation 11 years before.

 

 

 

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Rainbow Arch Bridge

Location: Niagara River at Roberts Street next to American Falls

Bridge Type: Steel deck arch with closed spandrel arch approaches

Built: 1941 replacing the Honeymoon Bridge

The Rainbow Arch Bridge is the most popular of the bridges in the Niagara Falls Region. It is one where attention is given by the tens of thousands of passers-by and tourists daily, whether it is on even level from the walkway, from the bottom while on a boat tour to the American and Horseshoe Falls, or from high up via Skylon Tower. The bridge is the centerpiece attraction which complements the two falls, day and night. The bridge is the oldest of the rainbow deck arches, but at 1444 feet (440 meters) and a main span of 950 feet (289 meters), it is the shorter of the two bridge spans of its kind. However, when viewing the bridge from a historical perspective, the bridge is the fourth one built at its present location. The first structure was a suspension bridge known as teh Falls View Bridge. It was built in 1867 at the site where the American Platform is located, but despite extensive rehabilitation in 1888 that featured the widening of the bridge deck, the suspension bridge, which had been built by Samuel Keefer, was blown down by a windstorm on January 9th, 1889. It was later rebuilt as a second suspension bridge, needing only 38 days until it was completed and reopened on May 7th, 1889. It didn’t last long, for another wind storm in January 1890 caused significant damage to the structure. Although it survived intact, workers came up with a new plan to replace the suspension bridge, which was the Honeymoon Bridge. Designed by Buck, Pencoyd Bridge and Construction built the superstructure in 1897 and featured a steel deck arch with grided pandrels, a Warren ribbed-arch main span and one bowstring deck arch approach span per side. The bridge remained in service until one tragic day on January 27th, 1938. There, an ice jam, combined with high winds, brought the structure down completely. Two people who were on the bridge at that time, barely escaped death by running across to the New York side. The collapse of the bridge was photographed by Frank O. Seed, which gained popularity. Because it was too dangerous to get out onto the river to remove the structure because of the high waves, wind and the high cliffs, the remnants of the Honeymoon Bridge remained on the icy river until April 13th of the same year, when it was moved down river by up to a mile and later sank to the bottom. None of the bridge has ever been recovered since then. Three years later, Waddel and Hardesty designed its replacement and Bethlehem Steel constructed the current bridge which has been in service since, carrying traffic between New York and Ontario.  The bridge provides some great views and should a book ever be written about the bridges in the Niagara Falls region, it would definitely reach the front cover because of its popularity that coincides with that of the two falls themselves. The bridge is found everywhere on postcards and booklets on the Falls, but eventually, a book on the bridges will need to be considered as well.

 

 

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William Rankine Power Generating Station Bridge

Location: Niagara Falls Outlet at the Power Generating Station on Niagara Parkway.

Type: Closed Spandrel Stone Arch Bridge (5-span)

Built:  1905

Walking past the Horseshoe Falls, we have this bridge, a five-span stone arch bridge that is located next to the city’s power station. Both were built at the same time, and both were built with the purpose of directing part of the flow from the Niagara River to the power station, where it can produce energy via hydro-electric power. It is unknown who the bridge builder was, however, it is one of four bridges a person can find in the area, whose bridge type and aesthetics are the same. Even a smaller crossing along the sidewalk next to the top of Horseshoe Falls resemble a similar engineering artwork.

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Luna Island Bridge

Location: Segment of Niagara Falls at American Falls between Luna Island and Tesla Monument

Bridge Type: Stone arch bridge (one span)

Built: between 1900 and 1905

The Luna Island Bridge is the shortest of the stone arch bridges in Niagara Falls, with a length of no more than 50 feet. It is the closest bridge to American Falls, which provides tourists with an up-close view of American Falls from the American shoreline. It does provide its lone access from Luna Island to the Niagara platform, which was built in 1961 and gives a person a view of both the American and the Horseshoe Falls from the American side. On the Canadian side, the bridge is sometimes difficult to photograph from the walkway along the Falls in the warmer seasons due to vegetation, but one can get a good shot from Skylon if zoomed in as far as the camera can allow for it.

 

 

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Goat Island Bridges

Location: Niagara Falls on Goat Island Drive

Bridge Type: Stone Arch Bridge (each three spans)

Built: 1905

Goat Island Bridge features a thoroughfare crossing that connects Goat Island and the city of Niagara Falls on the New York side, with an intermission going through Green Island. Each section has three spans but according to data, the total length of the entire structure with the island in between is between 180 and 200 feet. Originally, the bridge provided vehicular access, but as of present, access has been reduced to pedestrian and cyclar traffic. The structure can be seen from the Canadian side but also from the Skylon Tower. Yet, measures are being sought to replace both spans due to age and structural deterioration. But the procedure will not be easy. The American Falls will need to be shut down beforehand and all the water flow will need to be diverted through Horseshoe Falls. It would be a first since 1969, should both city governments as well as the Canadian government approve the measure. This measure would be use to rehabilitate the American Falls to reduce erosion, while at the same time, replace the Goat Island Bridges. If and when this will all happen remains open.

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Grand Island Viaduct

Location: Niagara River at I-190 between Sandy Beach and Niagara Falls, New York

Bridge Type: Cantilever deck truss with Warren/Wichert truss features

Built: 1935; additional replica built in 1963

The Grand Island Viaduct is the easternmost bridge in the Niagara Falls area, as the bridge carries Interstate I-190 that connects Niagara Falls with Buffalo. The interstate bypasses the city before crossing the Niagara River the second time at Kingston and entering Canada. While the bridge is not visible on the ground, it can be seen clearly from Skylon Tower, if one has a camera that can zoom as far as what is shown in the picture.

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Bird’s eye view of both American and Horseshoe Falls taken from Skylon Tower

There is a map where you can have a look at the location of the bridges and the places where you can get your best shots of the structures. From the author’s point of view, there are four places where you can get the best shots of the Falls, all of which from the Canadian side which you will be greeted by a crowd of thousands who will have the same idea. But still, with patience, you can get the best shots: on even level along the walkway from the Power Station to the Rainbow Arch, from Skylon Tower, while on a boat tour to Horseshoe Falls and lastly, by crossing the city’s finest bridges, as mentioned here. And while Niagara Falls is a “once-in-a-lifetime” event which one should really see, as a pontist, the bridges in the area are just as important, not only because of its location, but also because of their history. Which is why it would not be a surprise if a book on this topic will be on the shelves within five years after this tour guide is posted. 😉

The Gallery presented here is a fraction of what you can find on the Chronicles’ Facebook page. Click here and you will be directed to the Album, where you can enjoy not only the photos but comment on some of the bridges, including those not mentioned here. A link to some more interesting facts about the bridges in the area can be found here. 🙂

bhc eric delony

 

World’s Longest Bowstring Arch Bridge Reopens to Traffic

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Blackfriars Street in London, Ontario reopened to traffic after five-year closure and one year extensive restoration work.

LONDON, ONTARIO (CANADA)- At 225 feet (68.6 meters), it is the longest bowstring arch bridge in the world. It was one of the longest ever built by the Wrought Iron Bridge Company in Canton, Ohio At 143 years of age, it is one of the oldest historic bridges of its kind left in Canada and North America. It is one of the rarest bridges to find in the country because of its dwindling numbers. And now, after five years including one year of a complete restoration, the Blackfriars Street Bridge in London, Ontario is back in business.

Thousands convened to the bridge on December 1st to commemorate the reopening of this unique bowstring arch bridge, located at Blackfriars Street, spanning the North Branch of the Thames River connecting Blackfriars Park on the west bank and Harris Park on the east bank. This included a ribbon-cutting ceremony followed by a parade of cars that crossed the newly restored structure.  The cost for the complete restoration was $8.6 million, which was split between local and federal funding. For many residents and bridge enthusiasts, it is a relief to have the structure back in service while at the same time, retain its historic and cultural integrity. Many have had great childhood memories of the bridge and were happy to see the bridge open to traffic. From its build date of 1875 until its closure in 2013, the bridge served vehicular traffic before structural deterioration forced its restriction of the bridge to solely pedestrian cyclists in 2013. In November 2017, the bridge was lifted off its place, cut in half, then dismantled to be transported to an offsite complex where it was sandblasted and welded, with several parts being replaced.

This bridge restoration was met with hefty criticism, especially from bridge preservationists who dubbed the Blackfriars Street Bridge Restoration as a complete replacement. In a statement posted by Nathan Holth in the historicbridges.org homepage, “A 2018 rehabilitation project essentially replaced nearly every surviving piece of original material on this bridge with new material that looks completely different than the original design.” Holth added that “this may be due to a lack of sufficient consultation with experts in bridge restoration, or a lack of open minds on the part of engineers who may have consulted with experts in bridge restoration.” And while the website acknowledged that rehabilitation was needed, this type of work was more of a modernization of the bridge than in-kind restoration, stating “with an in-kind restoration, many parts of the bridge would still have been replaced, but they would have been replaced with replicas of the original design. The bridge’s bowstring trusses today are almost unrecognizable.”

While his claim is that with the complete replacement of bridge parts with new materials is as bad a bridge replacement, one needs to look at the difference between the Blackfriar’s Street Bridge before and the structure after the replacement to see the difference. It is clear that the portal bracings and the upper chord are different; the portals veered away from its three-tiered Lattice and X-frame portal bracings with heel bracings and was replaced with simply the X-frame with heels, whereas the original beams with Phoenix columns have been replaced with rectangular beams, much of the vertical and diagonal beams appear to be the same. One needs to have a look at the bridge for himself to see the difference.

Nevertheless, inspite of the criticism, the restoration of the bridge and its reopening of the crossing will provide drivers, cyclists and pedestrians alike with an opportunity to gain access to the university complex on the western bank of the Thames from the greenery area on the east side, where the two branches form the Thames. But most importantly, the City of London got back their beloved historic bridge, one of only a handful of historic landmarks left for the city, but one of the most important that a person should see when passing through. This is one that is not only in the running for this year’s Ammann Award in the category of Best Example of a Restored Historic Bridge, but one on the places to visit list for many, like myself, who have yet to see the structure and judge for himself how much alteration was actually done.

The Blackfriars Street Bridge has its own Twitter website, where you can follow up on the bridge and read the stories behind the structure and the love affair the people have with the longest bowstring arch bridge in the world. Click here and follow for details.

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BHC Photo of the Week Nr. 14

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This Bridge Photo of the Week keeps us at Niagara Falls but takes us north to the Whirlpool Rapids Bridges. They span the Niagara River south of the Rapids at the US/ Canada border. They are both deck arches with Pratt truss features. Yet the question is, ignoring the photo taken in black and white, which one is older, and which one is still open to traffic?

Before going further, I’ll let you debate over this. The answer will come when the tour guide on the bridges of the Niagara Falls comes out before the end of the year. 🙂

 

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