its enormous steel-truss design was the state of the art for river crossings. But in the decades since, a more modern design that has gained favor could replace the span that was destroyed in ...

Crews used explosives in the partial demolition of the largest remaining steel span of Baltimore's collapsed ... up the remaining roadway and steel truss at the bottom of the channel to meet ...

Another piece of the same truss remains in the river and will ... which was home to a shuttered Bethlehem Steel plant that provided steel for the span in the 1970s. The bridge had come full ...

On Thursday, the first of six planned explosions of portions of the old eastbound span of the McClugage ... explosives to sever the steel because dismantling a truss bridge would require extensive ...

Pittsburgh’s top engineer said concerns about steel trusses spurred the closure ... Setzler said the outside bridge inspector was checking on the span’s load-bearing limits.

The 140-year-old steel truss structure connects West Newbury, Merrimac and Haverhill residents as well as several Southern New Hampshire towns, making it one of Massachusetts’ most heavily travelled ...

The 140-year-old steel truss structure connects West Newbury, Merrimac and Haverhill residents as well as several Southern New Hampshire towns, making it one of Massachusetts’ most heavily traveled ...

Crews will be repairing a rusted steel pin that supports a key joint on the bridge’s second truss span from the Pennsylvania side. The bridge over the Delaware River connects New Hope in Bucks ...