It is a double-pylon double-plane cable-stayed bridge with composite girders, whose total length reaches 3891m and main span is 480m. Adopting composite reinforced concrete box girder structure. The water depth of the bridge is 20m, while the basic depth and height of the pylon are 104m and 150m respectively. It is the first bridge using flexible firefighting and anti-bumping facilities in the world, which are able to resist the collision of steamers over 50,000 tons. The curve pylons, round steel box girders, and anchor plates are initiative in China.