Hongqi Bridge collapse in Sichuan: what happened, why it matters, and what people got wrong ===================================== The event (Nov 11, 2025, local time). A section of the Hongqi Bridge on National Highway 317 near Ma’erkang (Barkam), Sichuan partially collapsed after a mountainside gave way and sent debris onto the approach span and roadbed. No casualties were reported because police had already closed the bridge the previous afternoon when engineers observed cracks on nearby slope

45K views · 516 reactions | Engineers attempted to fix a problem with a bridge being too low by building a replacement with an upside-down support, only for it to collapse during construction. Watch more Massive Engineering Mistakes on discovery+: https://bit.ly/3IdVYNT | Love Science | Facebook

6.8K views · 85 reactions | On this day in 1940, the Tacoma Narrows Bridge collapsed. What could make a bridge wobble so wildly? Engineering professor Stephen Ressler explains. Discover more dramatic collapses, collisions, and explosions in Epic Engineering Failures and the Lessons they Teach, now streaming on Wondrium. https://www.wondrium.com/epic-engineering-failures-and-the-lessons-they-teach | The Great Courses | Facebook