The Shibanpe Yangtze River Bridge is 1.2km downstream, alongside an existing crossing. A seven-span box girder with a world record-breaking main span of 330m was chosen as the best match for the neighbouring bridge. The design includes a 100m steel box section at midspan in the otherwise prestressed concrete box girder. This significantly reduces the bending moment and shear, making the long span technically and economically efficient.

Designer of the Caiyuanba bridge is a joint venture of TY Lin International and Chongqing Communications Research & Design Institute. TY Lin International is also the designer of the Shibanpe crossing, in cooperation with its Chongqing office. Client for both is Chongqing City Construction & Investment Company.