杭州湾大桥全长36千米，超越美国切萨皮克海湾桥和巴林道堤桥等世界名桥，是今朝世界上已建成或在建中的最长的跨海大桥。大桥设南、北两个航道，此中北航道桥为主跨448米的钻石型双塔双索面钢箱梁斜拉桥，南航道桥为主跨318米的A型单塔双索面钢箱梁斜拉桥。除南、北航道桥外其他引桥接纳30～80米不等的预应力混凝土持续箱梁构造。主体工程于2003年6月8日完工建立，2008年建成通车。

Hangzhouwan Bridge is totally 36km long that is the longest sea-crossing bridge in the world. The bridge offers north and south channels for navigation. The part of bridge over the north channel is a diamond shape double tower double cable plane steel box girder cable stayed bridge with main span 448. The bridge over the south channel is a “A” shape single tower double cable plane steel box girder cable stayed bridge. Besides of the south and north cable stayed bridges, the approach bridge is of continuous 30~80m prestressed concrete box girder structure. The main construction was started on Jun. 8th, 2003 and completed for use on May.1th,2008.