Mystery Bridge Nr. 112: A double-barreled concrete bridge that used to serve a major road?

This is the first video podcast of the bridge. The bridge is between 90 and 110 years old, spans a tributary of the River Zschopau south of Wolkenstein in central Saxony in the suburb of Niederau. The rest can be found by clicking here.

Video:

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Mystery Bridge nr. 112: A double-barrelled concrete bridge that used to serve a main road going to Wolkenstein. Podcast here….

A post shared by bridgehunters_chronicles2010 (@bridgehunters_chronicles17) on Apr 12, 2019 at 10:09am PDT

Map:

 

Questions:

1. When was the bridge built? Who was the bridge builder?

2. What kind of road did it serve and what industries existed in the area of the bridge?