TheBridgeEng · Learning from Failure
Portugal · Scour · 59 deaths · masonry piers, steel spans
Decades of sand mining deepened the Douro bed around pier 4…
Read the full case — mechanism, cause chain, code changes →
Agana and Aquino Bridges (Tarlac River) (2026) · SS16 Adriatica viaduct over the Trigno (2026) · Spey Viaduct (Garmouth) (2025) · Phong Chau Bridge (2024) · Yellowstone River Rail Bridge (2023) · Kola River Rail Bridge (2020)
One of 300 forensic bridge-failure case studies at TheBridgeEng — free, for engineers.