The lead designer of the new Bay Bridge eastern span warned Caltrans in 2010 that welds used to hold ill-fitting steel road-deck sections together were vulnerable to damage in a major earthquake ...

The team designing the new Bay Bridge eastern span had a problem ... concrete below them and the road deck above. The firm believed that only hardened steel could handle the lateral forces ...

New photos of the approach to the Daniel Carter Beard Bridge show significant warping caused by the Nov. 1 fire that shut down part of the span ... steel beams, detaching them from the concrete ...

China is building the world's longest double-deck suspension bridge. The Yangsigang Bridge boasts a single span of 1,700 metres (5,577 feet) over the Yangtze River and will cost a whopping eight ...