TheBridgeEng · Learning from Failure

Salzbach Valley Bridge (A66) — near miss (2021)

Germany · Material deterioration · prestressed concrete box girder viaduct

A 1960s prestressed viaduct showed sudden deformation and bearing damage…

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

More Material deterioration cases

Penamaluru Bridge over the Bandar Canal (2026) · BR-101 bridge over the Rio Paraíba (2026) · Aldridge Creek Trestle (2025) · Mujpur–Gambhira Bridge (2025) · Ringbahnbrücke (A100, Dreieck Funkturm) — near miss (2025) · Mary's River Rail Bridge (2025)

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