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 ...

Thus, looking at the span of each truss can give you a rough estimate ... You’ll typically choose between wood and steel trusses. Wood trusses are more common for residential homes, while ...

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 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 ...

More: From explosives to safety, how the demolition of the old McClugage Bridge span will work The second explosion will demolish the underdeck truss on ... to demolish the steel girders along ...

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.