It is an ultra-large bridge, whose main bridge is a (140+140)m single-pylon and single-plane cable-stayed bridge with steel box girders. The main pylon, adopting concrete structure, is 116m tall with drilled-pile foundation. Large suspend steel box composite girders are used for the main beam. The design of this bridge reflects the features of large suspended single-plane cable-stayed bridge, showing off the latest achievement of China in bridge construction.