Top 10 longest water bridges

Runyang Yangtze River Bridge is located on the Yangtze River in Jiangsu Province, China. It connects Zhenjiang City and Yangzhou City and is called Runyang Bridge for short.

Construction of the Runyang Yangtze River Highway Bridge started on October 20, 2000, and was completed on June 1, 2004. The main project was basically completed on February 2, 2005, and officially opened to traffic on April 30, 2005.

The total length of the bridge is 22.2 mi (35.7 km), the deck is a two-way 6-lane highway, and the design speed is 100 km/h; it cost 5.8 billion yuan (about US $700 million).

Hangzhou Bay Bridge is located in Hangzhou Bay, Zhejiang Province, China. It is a 36 km (22.4 mile) highway bridge across the sea. It connects Jiaxing City and Ningbo City in Zhejiang Province.

The total length of the Hangzhou Bay Bridge is 36 kilometers, and the bridge section is 35.7 kilometers. The bridge deck is a two-way six-lane highway with a design speed of 100 kilometers per hour.

There is a beautiful artificial offshore platform on the bridge called "Haitian Yizhou", which is located in the middle of the Hangzhou Bay Bridge, 1.7 kilometers south of the South Channel.

The total investment of Hangzhou Bay Bridge was 13.8 billion yuan (US $ 2.1 billion) in 2003.

Manchac Swamp Bridge (Other name: I-55 Manchac Swamp Crossing) is located on Manchac Swamp between Lake Maurepas and Lake Pontchartrain, close to Lake Pontchartrain. in Louisiana, USA, it is a twin concrete trestle bridge.

The bridge was built in the late 1970s and Opening in 1979.

With a total length of 22.80 miles (36.69 kilometers), it is one of the longest water bridge in the world and one of the longest bridges on the interstate highway system.The total width of the 2 bridges plus Gap between bridges is estimated to be close to 95 meters (312 ft).

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.About US $160 million total in 1975.

Chesapeake Bay Bridge–Tunnel is a 17.6-mile (28.3 km) bridge–tunnel crossing at the mouth of the Chesapeake Bay, the Hampton Roads harbor, and nearby mouths of the James and Elizabeth Rivers in the U.S.state of Virginia.

The bridge–tunnel originally combined 12 miles (19 km) of trestle, two 1-mile-long (1.6 km) tunnels, four artificial islands, four high-level bridges, approximately 2 miles (3.2 km) of causeway, and 5.5 miles (8.9 km) of northeast and southwest approach roads—crossing the Chesapeake Bay and preserving traffic on the Thimble Shoals and Chesapeake dredged shipping channels leading to the Atlantic.

The original 2-lane bridge-tunnel facility was opened in April 1964, took 4 years to build, and it cost $200 million for planning, design, right-of-way, and construction.After 2 expansions, Chesapeake Bay Bridge + Shoal Tunnel + Trestle total cost US $1.15 billion.

The Great Seto Bridge is a series of double deck bridges connecting Okayama and Kagawa prefectures in Japan across a series of five small islands in the Seto Inland Sea.

Built over the period 1978–88, it is one of the three routes of the Honshū–Shikoku Bridge Project connecting Honshū and Shikoku islands, and the only one with railroad connections included.

The Bridge is 37.3 kilometers long and the sea part is 13.1 kilometers. It consists of 3 cable bridges, 2 cable-stayed bridges and 1 truss bridge.With 13.1 kilometers (8.1 mi) two-tiered bridge, it ranks as one of the world's longest two-tiered bridge system.

The bridges carry two lanes of highway traffic in each direction (Seto-Chūō Expressway) on the upper deck and one railway track in each direction (Seto-Ōhashi Line) on the lower deck.

The project took ten years to complete at a cost of US$7 billion; 3.646 million cubic meters (128.8 million cubic feet) of concrete and 705,000 tons of steel were used in construction. A total of 70 steel rails, 290,600 kilometers of steel cables were used .

Lake Pontchartrain Causeway is located on Lake Pontchartrain in southern Louisiana, USA.The Lake Pontchartrain Causeway.

It consists of 2 parallel bridges.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.The bridges are supported by 9,500 concrete pilings.

The two bridges feature a bascule, which spans the navigation channel 8 miles (13 km) south of the north shore.

Lake Pontchartrain Causeway has 2 times construction records. The two constructions were separated by 14 years. It cost 76 million US dollars total(between 1955-1969).

Jiaozhou Bay Bridge is located Jiaozhou Bay in China. It is a cross-sea channel in Huangdao District, Chengyang District, Licang District and Jiaozhou City in Qingdao City, Shandong Province, China.Jiaozhou Bay Bridge also called Qingdao Bay Bridge.

The Bridge has a total length of 42.23 kilometers and a bridge length of 31.630 kilometers; the bridge deck is a two-way six-lane highway with a design speed of 80 kilometers per hour.

It transects Jiaozhou Bay, which reduces the road distance between Qingdao and Huangdao by 30 km (19 mi), compared with the expressway along the coast of the bay, reducing travel time by 20 to 30 minutes.

The total investment is 9.53 billion yuan (about 1.5 billion US dollars).

Sheikh Jaber Al-Ahmad Al-Sabah Causeway is located in Kuwait in the Middle East. It is a super sea-crossing bridge built in the Gulf of Kuwait. It connects Kuwait City and Madinat al-Hareer.

The total length of the bridge project is 30.1 mi (48.5 km ). Construction began on November 3, 2013 and opened on May 1, 2019. The construction period is about 4 years. A total of 903 million Kuwaiti dinars (US $3 billion) were spent.

The Hong Kong-Zhuhai-Macau Bridge is a bridge-tunnel project in China that connects Hong Kong, Guangdong Zhuhai and Macau, and is located in the Lingding Ocean area of ​​the Pearl River Estuary in Guangdong Province, China.

The construction of the Hong Kong-Zhuhai-Macau Bridge commenced on December 15, 2009; the main project was completed on July 7, 2017.

The total length of the bridge and tunnel is 55 kilometers, of which the bridge length is 41.6 kilometers, and the main bridge length has reached 29.6 kilometers.The bridge deck is a two-way six-lane highway with a design speed of 100 km / h.

The total investment of the project is 126.9 billion yuan(US $18.8 billion).