The Ma'anshan Grand Bridge, located in Gao County, Yibin City, Sichuan Province, is a key control project on the Sichuan-Chongqing section of the Chongqing-Kunming High Speed Railway. Spanning a total length of 951 meters, the bridge is a crucial component of the railway's development. Once completed, the railway will significantly enhance connectivity between the Chengdu-Chongqing City Group and central Yunnan, greatly improving travel conditions for residents along the route and promoting high-quality economic and social development in the region.