TheBridgeEng · Learning from Failure

Seongsu Bridge (1994)

South Korea · Fatigue & fracture · 32 deaths · Gerber truss, suspended span

Suspended-span hangers welded poorly (unfused bevels) during 1970s speed-driven construction…

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

More Fatigue & fracture cases

Menai Suspension Bridge hanger closure (2022) · Götaälvbron — near miss (2021) · Hernando de Soto (I-40) fracture (2021) · Forth Road Bridge crack closure (2015) · Sherman Minton Bridge — near miss (2011) · Bay Bridge eyebar repair failure (2009)

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