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Baltimore bridge collapse raises questions about safety of Bay Area bridges, emergency protocols
The deadly bridge collapse in Baltimore ... and south towers of the Golden Gate Bridge are built with extra reinforcement. RELATED: A list of major US bridge collapses caused by ships and barges ...
PBS1y
Men Who Built the Bridge
It took much more than a clever engineer and a relentless promoter to build the Golden Gate Bridge. The bridge effort ... The whole mechanism collapsed into the net, which held it -- but only ...