TheBridgeEng · Learning from Failure

I-70 girder fall (Golden) (2004)

United States · Construction stage · 3 deaths · steel plate girder awaiting diaphragms

A 30 m girder stood overnight without diaphragms or adequate bracing…

Read the full case — mechanism, cause chain, code changes →

More Construction stage cases

Berakhal River bridge, Mohanpur (Hailakandi) (2026) · Hathli Khad truss span (Hamirpur bypass, NH-103) (2026) · Llewellyn Estes Bridge (Stillwater Ave, Old Town) (2026) · Pyeonggang-cheon Bridge girders (부산 에코델타시티) (2026) · Betwa River bridge (Hamirpur, UP) (2026) · Seosomun Overpass demolition (서소문고가차도) (2026)

One of 300 forensic bridge-failure case studies at TheBridgeEng — free, for engineers.