How many kilometers is Zhoushan sea-crossing bridge?

The total length of Zhoushan sea-crossing bridge is 48. 16 km.

The cross-sea bridge is invested and constructed by Zhejiang Communications Investment Group, starting from the island road around Yadanshan, No.329 National Road in Zhoushan Island, passing through Diaoli Island, Fuchi Island, Cizi Island and Jintang Island in Zhoushan Islands to zhenhai district, Ningbo, and connecting with expressway and Hangzhou Bay Bridge around Ningbo. Zhoushan sea-crossing bridge spans four islands, over nine culverts and through two tunnels.

The main bridge of Zhoushan Sea-crossing Bridge is 22.9 kilometers long, which is one of the longest sea-crossing bridges in the world and the largest span cable-stayed bridge with twin towers independently designed and built in China.

The planning of this bridge began in 2003, and the construction began on September 20th, 2009. On June 30th, 20 13, the whole line was opened to traffic, and the construction lasted nearly four years.

Construction course of Zhoushan sea-crossing bridge

In order to build this cross-sea bridge, the engineering team has overcome many technical problems such as rough waves in the East China Sea and difficulties in offshore construction, adopted the world's largest deck assembly equipment and offshore cement concrete pouring technology, and also incorporated a number of environmental protection measures into the bridge design. ?

The completion of Zhoushan sea-crossing bridge has greatly shortened the time and space distance between Zhoushan and surrounding cities such as Shanghai and Hangzhou, and greatly promoted the local economic development and convenient transportation. At the same time, the bridge has become a tourist attraction, attracting many tourists to enjoy its spectacular architecture and beautiful sea view.