On October 8th, the news from the Kunming Bureau of China Railways, the Yutushan Bridge built by the China Railway Tunnel Bureau Group successfully completed on October 1. The Fatushan bridge is 185 meters long and is located in Yuxi City, Yunnan Province. It is designed as a double-line prestressed concrete continuous beam with a maximum pier height and a maximum pile foundation depth of 40 meters or more. Crossing the deep trench canyon, one end is connected to the Lori tunnel, and the other end is connected to the Tianfang tunnel. The slope of the mountain on both sides is above 70 degrees. It is constructed between narrow canyons, the traffic is inconvenient, large machinery can not be invested, and the construction is difficult.