The project is located in Haiyan County, Jiaxing City, Zhejiang Province. The structural form is a simply supported steel-concrete composite beam structure. The total length of the steel structure bridge is about 702 meters, the design load is a first-class highway, the bridge deck width is 26.5 meters, the longest span is 70 meters, and the total steel consumption of the project is about 15000 tons.