
October 21, 1981 In southwestern Pennsylvania, the second and current Sewickley Bridge was officially opened at 10:00 a.m. This steel continuous truss bridge, spanning the Ohio River and linking the borough of Sewickley with Moon Township, carries Pennsylvania State Route 4025 and the portion of the Allegheny County Belt System (a group of limited-access county […]
1981: The Opening of the Present-Day Sewickley Bridge in the Keystone State — Transportation History

