Here are 10 longest bridges in the world

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Here are 10 longest bridges in the world
Danyang–Kunshan Grand Bridge
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Check out the 10 longest bridges in the world:

1.Danyang–Kunshan Grand Bridge

The Danyang–Kunshan Grand Bridge is 164.8-kilometre (102.4 mi) long viaduct on the Beijing–Shanghai High-Speed Railway. It is the world’s longest bridge.

The bridge is located on the rail line between Shanghai and Nanjing in Jiangsu province. It is in the Yangtze River Delta where the geography is characterized by lowland rice paddies, canals, rivers, and lakes. The bridge runs roughly parallel to the Yangtze River, about 8 to 80 km (5 to 50 mi) south of the river.

2.Tianjin Grand Bridge

Tianjin Grand Bridge is a railway viaduct bridge that runs between Langfang and Qingxian, part of the Beijing–Shanghai High-Speed Railway. It is one of the longest bridges in the world with a total length of about 113,700m, or 70.6 miles. It was completed in 2010 and opened in 2011. As of 2011 Guinness World Records recorded it as the second longest bridge in the world.

3.Bang Na Expressway 

Bang Na Expressway is 55km long six-lane elevated highway in Thailand. It is a toll road and runs above National Highway route 34, (Bang Na–Trat Highway) owned by the Expressway Authority of Thailand (EXAT). The world’s longest car bridge, the Bang Na Expressway, held the title of the world’s longest bridge from 2000 until 2004. Today, it is the 6th longest bridge in the world.

4.Hong Kong–Zhuhai–Macau Bridge

The Hong Kong–Zhuhai–Macau Bridge (HZMB), officially the Hong Kong–Zhuhai–Macao Bridge, is a 55-kilometre (34 mi) bridge–tunnel system consisting of a series of three cable-stayed bridges, an undersea tunnel, and four artificial islands. It is both the longest sea crossing and the longest fixed link on earth. The HZMB spans the Lingding and Jiuzhou channels, connecting Hong Kong, Macau, and Zhuhai—three major cities on the Pearl River Delta.

The HZMB was designed to last for 120 years and built with a cost of 126.9 billion yuan (US$ 18.77 billion). The cost of constructing the Main Bridge was estimated at 51.1 billion yuan (US$ 7.56 billion) funded by bank loans and shared among the governments of mainland China, Hong Kong and Macau.

5.Lake Pontchartrain Causeway

The Lake Pontchartrain Causeway, sometimes only the Causeway, is a fixed link composed of two parallel bridges crossing Lake Pontchartrain in southern Louisiana, United States. The longer of the two bridges is 23.83 miles (38.35 km) long. The southern terminus of the Causeway is in Metairie, Louisiana, a suburb of New Orleans. The northern terminus is at Mandeville, Louisiana.

6.Manchac Swamp Bridge

The Manchac Swamp Bridge is a twin concrete trestle bridge in the U.S. state of Louisiana. With a total length of 22.80 miles (36.69 km) it is one of the longest bridges in the world over water. It is the longest bridge on the interstate system. Some claim it is the longest toll-free road bridge in the world. The bridge carries Interstate 55 and U.S. Route 51 over the Manchac Swamp in Louisiana, and represents one-third of the highway’s approximately 66 miles in Louisiana. Opening in 1979, its piles were driven 250 feet (76 m) beneath the swamp and with the cost of the span being $7 million per mile to complete.

7.Hangzhou Bay Bridge

Hangzhou Bay Bridge is a highway bridge with a cable-stayed portion across Hangzhou Bay in the eastern coastal region of China. It connects the municipalities of Jiaxing and Ningbo in Zhejiang province.

Construction of the bridge was completed on June 14, 2007, and an opening ceremony was held on June 26, 2007. The bridge was opened to public May 1, 2008, after a considerable period of testing and evaluation. The bridge shortened the highway travel distance between Ningbo and Shanghai from 400 km (249 mi) to 180 km (112 mi) and reduced travel time from 4 to 2 hours. At 35.673 km (22 mi) in length, Hangzhou Bay Bridge was among the ten longest trans-oceanic bridges.

8.Runyang Yangtze River Bridge

The Runyang Yangtze River Bridge is a large bridge complex that crosses the Yangtze River in Jiangsu Province, China, downstream of Nanjing. The complex consists of two major bridges that link Zhenjiang on the south bank of the river and Yangzhou on the north. The bridge is part of the Yangzhou–Liyang Expressway. Construction of the bridge complex began in October 2000 and was completed ahead of schedule. The bridge cost 5.8 billion Yuan (about US$700 million). The complex opened to traffic on April 30, 2005. The total length of the bridge complex is about 35.66 kilometres (22.16 mi). In between the two bridges is the island of Shiyezhou.

 9.Donghai Bridge

Donghai 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.

10.Jiaozhou Bay Bridge 

Jiaozhou Bay Bridge (or Qingdao Haiwan Bridge) is a 26.7 km (16.6 mi) long roadway bridge in eastern China’s Shandong province, which is part of the 41.58 km (25.84 mi) Jiaozhou Bay Connection Project. The longest continuous segment of the bridge is 25.9 km (16.1 mi). making it one of the longest bridges in the world.

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