Overview
- Police shut the 758-meter bridge on Nov. 10 after cracks and terrain shifts were observed on slopes above Maerkang.
- On Nov. 11, worsening mountain deformation triggered landslides that tore away the approach and roadbed, plunging a large span into the river.
- Officials report no injuries and have cordoned off the site, rerouting traffic and monitoring nearby sections.
- Local and provincial authorities attribute the failure to slope instability and have launched a technical investigation into any engineering or site-selection factors.
- Completed earlier in 2025 by Sichuan Road & Bridge Group near the Shuangjiangkou hydropower project, the G317 link to Tibet is now under heightened scrutiny as viral videos circulate and unconfirmed reservoir-related theories spread online.