TheBridgeEng · Learning from Failure
Chile · Design error · double-leaf bascule with orthotropic steel deck, Chile's first drawbridge
One leaf of the bascule was fabricated and installed mirrored, so the halves did not meet — the 'upside-down bridge' made world news in January 2014…
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.