The structure in question was the Hongqi Bridge, located in the mountainous Maerkang city, in the Aba Tibetan and Qiang Autonomous Prefecture of Sichuan Province in southwestern China. Spanning some 758 metres, this bridge was part of a national highway linking Sichuan with the Tibetan region. Finished earlier this year, it carried hopes of improved connectivity through rugged terrain.
On 10 November 2025, authorities discovered cracks in the adjacent slopes and a separation in the roadbed near the bridge approach. Traffic was closed on the bridge the day before collapse, showing that officials responded to warning signs. The next afternoon, on 11 November, the terrain gave way—landslides triggered by instability in the mountain caused the roadbed and approach span to collapse into the gorge below.
Footage shared online showed thick plumes of dust and the dramatic moment of the deck breaking and falling. Local officials reported that no injuries or fatalities were reported in the incident.
This incident raises multiple strands of reflection. First, the raw geography: building large infrastructure in mountainous, seismically active and landslide-prone terrain carries inherent risk. The terrain adjoining the Hongqi Bridge is steep, and the presence of a hydropower project nearby may have contributed to changes in slope behaviour. Second, the speed of construction: in recent years, China has emphasised major infrastructure build-outs in remote western regions. The Hongqi Bridge’s opening earlier this year suggests relatively recent completion. Yet the collapse so soon challenges whether adequate time and caution were applied in monitoring and slope stability design. Third, the human element: no lives were lost this time—thanks, in part, to the bridge being closed ahead of collapse. That action underscores the value of vigilance and early warnings.
Yet the fall also serves as a reminder that engineering alone cannot override nature’s patience. The mountain doesn’t shout its warning; it whispers. Crevices lengthen, slopes creep, terrain subtlely deforms—invisible unless watched. The bridge may have been built strong, but even the strongest span hinges on firm ground beneath.
The collapse of a brand-new bridge in southwest China stands as a solemn moment of pause—not to condemn ambition, but to invite reflection. In the rush to connect places, to shorten travel times and open new routes, the land beneath still demands its due. With no casualties reported, this incident offers an opportunity: to learn, to design, to monitor more patiently. For in building for tomorrow, we must not forget the silent strength of the mountain today.
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Sources: Reuters The Guardian South China Morning Post ABC News Channel News Asia