The estimated total investment of the project is 1.05 billion yuan, with a total length of 6.3 kilometers, of which the bridge length is 3556 linear meters and the main span is 150 meters. The two-way six-lane first-grade highway is used as the standard construction. The subgrade width is 32 meters and the design speed is 80 kilometers per hour . The total length of the contracted section is 2.57 kilometers. The main project contents include: Puli Middle Bridge, Zhangjiangwan Super Bridge North Side Approach Bridge, main channel bridge construction and subgrade earthwork, protection and drainage works. The contract period is 36 months.