The Kangyuan Road Cross-Hanggang River Bridge was constructed and implemented by Hangzhou Grand Canal Group Construction Management Co., Ltd., designed by Hangzhou Urban and Rural Construction Design Institute Co., Ltd., and constructed by Sichuan Road and Bridge Construction Group Co., Ltd. The bridge structure is a single-span portal-type rigid-frame bridge, and the main beam adopts a steel box girder structure. The bridge is 101.12 meters in total length, and the span of a single span is 100 meters. Officially verified by the WRCA, the bridge has been confirmed as the “Longest single-span steel beam portal-frame bridge”.