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Bridge in China collapses less than 10 months after it was completed

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At around 4:10 p.m. on 11 November, the right bank approach of the Hongqi Grand Bridge on National Highway 317, located within the Shuangjiangkou Hydropower Station reservoir area in Ma’erkang City, Aba Prefecture, Sichuan Province, suddenly collapsed. The bridge structure plunged into the Zumuzu River below, sending up a massive cloud of dust.

The bridge was part of the reconstruction project within the Shuangjiangkou Hydropower Station reservoir zone. It measured 758 metres in total length, with a main span of 220 metres and a main pier height of 172 metres. It was completed and opened to traffic in January 2025 and had been in use for less than ten months.

Thanks to early traffic control measures, no vehicles or pedestrians were on the bridge at the time of the collapse, and no casualties occurred.

At around 3 p.m. on 10 November, inspectors discovered a crack about 10 centimetres wide on the right bank approach road and slope, indicating a potential landslide risk. At 6 p.m. that same day, the Aba Prefecture Transport Bureau and the Public Security Bureau jointly issued a traffic control notice prohibiting all vehicles from passing.

According to an official report, the preliminary cause of the collapse was deformation of the right bank hillside, which then worsened and led to a landslide, causing the roadbed and approach bridge section to give way.

Experts have arrived at the scene to carry out further investigation and analysis, while local authorities have set up a special task force to coordinate the response and recovery work.

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