A historic bridge built more than 200 years ago in southwestern Pennsylvania has been closed off to the public after officials said they cannot guarantee the structure’s stability. The Great ...

Tanker truck fires at bridges happen rarely, but when they do, they often lead to a collapse or at least a replacement. How do engineers characterize bridge fires, and should bridges be better ...

CONFLUENCE, Pa. - A historic bridge built more than 200 years ago in southwestern Pennsylvania has been closed off to the public after officials said they cannot guarantee the structure’s stability.

The Salsbury bridge collapsed in spring 1945, according to Jack ... the Brotherton and Harrington bridges are among only two ...

CONFLUENCE, Pa. - A historic bridge built more than 200 years ago in southwestern Pennsylvania has been closed off to the public after officials said they cannot guarantee the structure’s stability.

"If the abutments collapse and the bridge comes down ... and the emergency action being taken is an interim move to protect ...

The Salsbury bridge collapsed in spring 1945 ... bridges are among only two dozen covered bridges remaining in western Pennsylvania, most of them in the southwestern part of the state.