Chongqing Yu' ao Bridge starts from Niujiaotuo in Yuzhong District in the south and connects Dongjiaxi in Jiangbei District in the north. Located 200 meters upstream of Niujiaotuo Bridge in Jialing River, it forms a one-way river-crossing bridge with Niujiaotuo Bridge in Jialing River. The bridge type is prestressed concrete continuous rigid frame bridge. The whole bridge length is 1458.3 12m, the main span is 160m, the main span combination is 96m+ 160m+96m, and the approach bridge is a prestressed concrete continuous beam bridge with inclined webs, with the length of1106+. Main bridge width17.5m. Lane 16m, maintenance lane 2× 0.75m, north main approach bridge width 17.5 to 25.75m, left and right approach bridge width 13m. The clear navigation height under the bridge is 28 meters, and the deck elevation is 220.39 meters. Design load: steam above -20, suspended-120. The main technical achievement is the research and application of machine-made sand in the preparation of 50 # high performance concrete for box girder of Jialing River double-track bridge. The overall landscape and lighting effect of the bridge are good. Total investment 1 100 million yuan. 65438+65438 0999+ 16 February, 65438+11completed in 2002. Construction unit: Chongqing Huapu Bridge Co., Ltd. Management unit: Chongqing Huapu Bridge Co., Ltd. Survey unit: Chongqing Survey Institute. Design unit: Chongqing Traffic Research and Design Institute. Construction unit: China Railway Second Engineering Group Co., Ltd., Chongqing Bridge Engineering Corporation and Chongqing Second Engineering Company; Chongqing Zhixiang Paving Co., Ltd.; Lighting Chongqing Chuanmei Industrial Co., Ltd. and Chongqing No.2 Installation Equipment Co., Ltd. ... Supervisors: Chongqing Construction Research Institute Supervision Company, Chongqing Construction Engineering Supervision Company and Chongqing Huaxing Engineering Supervision Company.