A bridge's designer ignored wind load, and it collapsed under his own train

Engineer Thomas Bouch's Tay Bridge opened in 1878 to acclaim and earned him a knighthood. Thirteen months later, in a gale on 28 December 1879, a central section collapsed as a train crossed it, killing everyone aboard, around 59 people. The inquiry found Bouch had failed to properly account for wind pressure on the structure, ruining his reputation within weeks.

— Board of Trade inquiry (Henry Rothery, William Yolland, William Barlow), Report of the Court of Inquiry into the Tay Bridge Disaster — 1880

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