Nanchong Qingquansi Jialing River Bridge is a special bridge across the Jialing River on the Chengdu-Nanchong Expressway in the Nanchong Ring Connection, which is located in the north of Nanchong City. The upper main span is a 2×110m continuous rigid structure; the approach bridge is a 40-hole 30m partially prestressed (Class A) simply supported T-beam, 5 holes in a row, with a continuous deck. The lower part of the main span is Φ2.2m group pile foundation with double thin-walled piers; the approach bridge is Φ2.0m double-column piers with prestressed differential girders. The article from the design point of view of some of the characteristics of the bridge for a more detailed introduction, in order to be able to throw a brick to attract jade, the inadequacy of the hope that everyone corrected!