Qingdao Haiwan Bridge is the world longest sea bridge. The world’s longest sea bridge of 26.4 miles in length. The bridge was built in just 4 years at a cost of US$ 8.6 billion. The 450,000 ton structure of steel is supported by 5,200 columns and is strong enough to withstand a magnitude 8 earthquake, typhoons or the impact of a 300,000 ton vessel. It is almost three miles longer than the previous record-holder, the Lake Pontchartrain Causeway in Louisiana. Here Free wallpapers of World's Longest Sea Bridge Images & Qingdao Haiwan Bridge, World's Longest Sea Bridge in China Pictures.
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