What Caused China Hongqi Bridge Collapse? Engineers Warned About This

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Jeff Ostroff analyses a catastrophic failure of a major bridge in Sichuan, China, captured on video, showing the recently completed structure plunging into the valley below. The Hongqi Bridge, a vital link on a national highway, collapsed on November 11, 2025, sending plumes of dust into the air. Were mistakes made by engineers in the geological survey of the sloped hills? Home Depot BOGO and Christmas decorations: 🛒 Home Depot Main Christmas Decoration Animatronics Page: https://homedepot.sjv.io/kOY7rn 🛒 Disney 4 ft. Animated LED Holiday Olaf A7 https://homedepot.sjv.io/o4YjYn 🛒 DCB225-2C DeWalt Battery Kit 5.0Ah/2.0Ah and Charger BOGO https://homedepot.sjv.io/dOYbJ3 🛒 DeWalt DCK200D1P1 ATOMIC 2-Tool Combo Kit https://homedepot.sjv.io/jeYM6b 🛒 DeWalt DCKTS650D1P1 6-Tool rolling box Combo kit https://homedepot.sjv.io/jeYML6 🛒 Milwaukee 48-59-1852B M18 XC5.0 Battery Starter Kit BOGO https://homedepot.sjv.io/N97nab 🛒 Milwaukee 48-59-1862S M18 HO6.0 Ah Starter Kit BOGO https://homedepot.sjv.io/Xm7QBb 🛒 DEWALT $320 Off 12" Double Bevel Sliding Compound Miter Saw & Compact Miter Saw Stand: https://homedepot.sjv.io/MA70O2 (ONLINE ONLY DEAL) 🛒 RYOBI PSK106SB Battery Starter Kit Buy One Get One Free https://homedepot.sjv.io/Dy7joa 🛒 RIDGID AC8609340SB Battery Starter Kit Buy One Get One Free https://homedepot.sjv.io/kOY76n 🛒 Makita BL1840BDC2X Battery Charger Starter Pack BOGO https://homedepot.sjv.io/4GXZvM Disney 🛒 4 ft. Animated Holiday Goofy A4 25SV24966 https://homedepot.sjv.io/Oe767z The dramatic collapse of the 758-meter-long bridge occurred just months after it opened to traffic in early 2025. Fortunately, there were no casualties as police in the city of Maerkang had closed the bridge to all traffic the previous day. Authorities had detected cracks on nearby slopes and roads, as well as shifts in the mountainous terrain, prompting the precautionary closure. On the afternoon of November 11, conditions on the mountainside deteriorated, triggering a landslide that led to the collapse of the bridge's approach and roadbed. The Hongqi Bridge was a significant infrastructure project, connecting the heartland of China with Tibet on National Highway 317. Known as the "Bridge in the Clouds," its main pier stood at an impressive 172 meters high. The bridge was located near the Shuangjiangkou Hydropower Station, and its collapse has raised questions, with some sources suggesting a link to the recent inauguration of the world's tallest hydroelectric power dam nearby. The structure was situated in a seismically active zone and was reportedly engineered to withstand powerful earthquakes. An investigation into the precise cause of the collapse is underway. 00:00 Intro Hongqi Bridge collapse in China 00:20 Videos of the Chinese bridge collapse 00:41 About the Hongqi Bridge collapse 03:20 Satellite photos of the Hongqi Bridge 06:23 Analysis of eyewitness videos of bridge collapse 10:49 Previous cases of geological issues in construction 12:13 How engineers could have prevented the bridge collapse