<Tr> <Th> Opened </Th> <Td> December 10, 2005 (2005 - 12 - 10) </Td> </Tr> <Tr> <Td_colspan="2"> Map of Donghai Bridge </Td> </Tr> <P> Donghai Bridge (Chinese: t 東海 大橋, s 东海 大桥, p Dōnghǎi Dàqiáo, Wu Tonhe Dujiau lit . "East China Sea Bridge") is a Chinese bridge counted among the longest cross-sea bridges in the world . It was completed on December 10, 2005 . It has a total length of 32.5 kilometres (20.2 mi) and connects mainland Shanghai's Pudong New Area with the offshore Yangshan Deep - Water Port in Zhejiang's Shengsi County . Most of the bridge is a low - level viaduct . There are also cable - stayed sections to allow for the passage of large ships, the largest with a span of 420 metres (1,380 ft). Donghai Bridge is part of the S2 Hulu Expressway . </P> <P> The bridge has a long and narrow speedway and does not allow vehicles that do not meet the weight requirements . </P>

What type of bridge is the donghai bridge
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