TheBridgeEng · Learning from Failure
United States · Design error · 46 deaths · swing drawbridge (rail)
Signal for an open draw was a ball on a pole, easily missed…
Read the full case — mechanism, cause chain, code changes →
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.