China Building Bridges Sea Longest World : Bridge Haiwan Qingdao
At 42.5 miles, Qingdao Haiwan Bridge , connecting the city of Qingdao in the province of Shandong China Eastern with District Huangdao suburbs across the waters of the north of Jiaozhou Bay , the bridge 's longest above water . Bridge six - lane road about 5 miles longer than the holder record before - Lake Pontchartrain Causeway in countries America Louisiana . When opened to traffic late this , the bridge is expected to perform more than 30,000 cars a day and would cut travel between city Qingdao and suburban areas are spacious, Huangdao by between 20 and 30 minutes .
The bridge was built in just over four years with a cost of U.S. $ 8.6 billion. At least 10,000 workers to work hard in two teams around the clock to build the bridge , which was built from a different end and connected in the middle of the last few days . The 450 000 ton structure steel is supported by 5200 columns and strong enough to withstand an earthquake measuring 8 , hurricanes or the effects of ship 300,000 tons .
China is home to seven of 10 in the world bridge the longest , including bridges lengthiest of the world , the fence 102 miles Danyang - Kunshan , which runs on top of soil and water near Shanghai .
And with the Beijing pumping billions into improving the infrastructure of China , Qingdao Haiwan Bridge is not going to be a bridge sea the longest in the world for a long time . In December 2009 , work began on the 31 mile bridge that will connect Zhuhai in the province of Guangdong south , the heart of manufacturing China , with central financial Hong Kong . Project 6500000000 pounds expected to be completed in the year 2016.