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Hongqi Bridge
Bridge in Sichuan, China From Wikipedia, the free encyclopedia
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Hongqi Bridge was a 172-metre (564 ft) tall elevated structure across a steep canyon in Barkam in the Ngawa Tibetan and Qiang Autonomous Prefecture of Sichuan Province, China, spanning the Zumuzu River, eastern tributary of the Dadu River.[3] It was an important waypoint located within Sichuan connecting the rest of China to the Tibet Autonomous Region. The bridge was also part of China National Highway 317[4] of the Chinese highway network and travels near the Shuangjiangkou Dam.[5][6]
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Chengdu Engineering Corporation, a subsidiary of China Power Construction Corporation under the Assets Supervision and Administration Commission, handled the bridge's design and construction. The Sichuan Expressway Construction and Development Group posted a now-deleted video of the final concrete pouring on 14 January 2025, signifying the project's completion after five years of construction.[2][7] The bridge was opened to traffic on 13 April 2025.[5][8] On 11 November 2025, just days after the inauguration of the nearby Shuangjiangkou Dam,[9] the western bridge approach and its part of the roadbed collapsed, after a landslide.[10][11]
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Characteristics
Hongqi Bridge is a cantilevered concrete bridge with a total length of 758 metres (2,487 ft). The central section consists of a main span of 220 metres (720 ft) flanked by two spans of 120 metres (390 ft) each, supported by piers as tall as 172 metres (564 ft) above the foundation.[1] The bridge deck is a continuous rigid frame structure made of prestressed concrete, consisting of the three central spans connected as a single unit.[8] The bridge carries a two-lane road, which exits a tunnel on the steep east (left) bank, crossing the bridge and its approaches, and enters a tunnel on the steep west (right) bank.[11]
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Collapse
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The bridge was evacuated and closed to traffic on 10 November 2025 by Maerkang city officials when road cracks and shifting terrain, along with a crack in the bridge structure were discovered by inspection officials at 3pm.[3][5][12] Conditions worsened throughout 11 November before the bridge partially collapsed at 4:10pm.[5][8] The authorities have stated that a landslide next to the bridge had caused the collapse and denied any quality issues. Footage of the collapse was posted on social media.[2][12] No casualties were reported.[7]
Several netizens on the Chinese internet have questioned the official claim that the collapse was precipitated by the landslide, noting that the area was known for landslides, though the majority of comments praised the government's handling of the situation and evacuation.[2] State media Jimu News broadcast a bridge expert stating that if the project had been given the go-ahead despite the unstable terrain, slope management should have been factored into its design.[2]
Satellite imagery after the collapse showed the western approach in rubble, while the main central section of the bridge appeared intact with the western end of the central section in mid-air, unattached and unsupported.[13]
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References
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