TheBridgeEng · Learning from Failure

Quebec Bridge — first collapse (1907)

Canada · Design error · 75 deaths · riveted steel cantilever

Dead load underestimated; chord stresses recalculated too late…

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

More Design error cases

Tapiola temporary pedestrian bridge (2023) · Jeongja Bridge sidewalk (정자교) (2023) · Tretten Bridge (2022) · Luțca Bridge (2022) · Corpus Christi Harbor Bridge — near miss (2022) · West Seattle High Bridge — near miss (2020)

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