东海大桥起于上海市南汇县芦潮港镇客运码头跨越杭州湾北部海域 ,直达浙江省嵊泗县崎岖列岛的小洋山岛 ,全长3 2 .7km,全程按高速公路标准建设 ,双向六车道 ,为两座分离式上、下独立桥 ,净间距 1 m,总宽 3 1 .5 m,设计车速为 80km/ h上海东海大桥即将动工 The East China Sea Bridge starts at Luchaogang Town, Nanhui County, Shanghai. The passenger ferry crosses over the northern part of Hangzhou Bay and runs directly to the small Yangshan Island in Qiqu Island, Shengsi County, Zhejiang Province. It has a total length of 32.7km and is constructed according to the expressway standard and bi-directional six lanes , Two separate upper and lower independent bridges, the net spacing of 1 m, the total width of 31.5 m, the design speed of 80km / h Shanghai Donghai Bridge is about to start