Top 10 Longest Bridges In the World 

On our journeys, we cross long and tall Bridges. The earliest years bridges were likely built with fallen trees and stepping stones. A bridge is a structure built to cross a physical barrier such as a body of water, valley, road, or rail without obstructing the way underneath. Bridge enables people, vehicles to cross an obstacle such as water, railways, town below, valley, hills and other scenarios. Bridge connects two points and lessens the distance between them. These wonders connects the world.

The types of bridges are – arch bridge, beam bridge, truss bridge, cantilever bridge, tied arch bridge, suspension bridge and cable-stayed bridge. The following are the longest bridges in the world nowadays with four of the seven being based in China, one in Thailand and the remaining two in the USA.

Scroll through to see all Top 10 Longest Bridges In the World :-

10. Manchac Swamp Bridge :-

The 36.69 km long Manchac Swamp Bridge is a twin concrete trestle bridge in the U.S. state of Louisiana, is part of the Interstate Highway System. It is one of the longest bridges in the world over water and is the longest bridge on the Interstate Highway System.

The bridge was opened in 1979. 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 in Louisiana.

9. Line 1 of Wuhan Metro :-

The 38 km long Line 1 of Wuhan Metro is an elevated metro line in the city of Wuhan, Hubei. It is the longest continuous metro viaduct in the world.

The metro Line 1 opened on 28 July 2004, making Wuhan the fifth city in mainland China to have a metro system after Beijing, Tianjin, Shanghai and Guangzhou. The metro serves daily ridership of around 404,100.

8. Lake Pontchartrain Causeway :-

The 38.35 km long Lake Pontchartrain Causeway, also known as The Causeway, is a fixed link composed of two parallel bridges which cross Lake Pontchartrain in southeastern Louisiana, United States.

The southern terminus of the causeway is in Metairie, Louisiana, a suburb of New Orleans. The northern terminus is in Mandeville, Louisiana, also a suburb of New Orleans. The southbound was opened on August 30, 1956, and the northbound was opened on May 10, 1969. The bridge serves. Daily traffic about 43,000.

7. Beijing Grand Bridge :-

The 48.15 km long Beijing Grand Bridge is a part of Beijing–Shanghai High-Speed Railway in China. Beijing Grand Bridge is built for the Beijing–Shanghai High-Speed Railway.

The bridge span around 44 m. The bridge was completed in 2010 and opened for high-speed rail on June 30, 2011.

6. Bang Na Expressway :-

The 55 km long Bang Na Expressway is a six-lane elevated highway in Thailand and is part of National Highway Route 34, owned by the Expressway Authority of Thailand. The Bang Na Expressway was designed by the late Louis Berger.
The world's longest car bridge, the Bang Na Expressway, held the title of the world's longest bridge from 2000 until 2008. The columns and superstructure were designed by Jean M. Muller and the alignment and foundations were designed by Asian Engineering Consultants.

There are two toll plazas on the elevated structure where the structure must broaden to adjust twelve lanes. The toll system is done by Swedish Kapsch TrafficCom AB. It took 1,800,000 cubic meters of concrete to build the bridge. The bridge was completed in January 2000.

5. Weinan Weihe Grand Bridge :-

The 79.732 km long Weinan Weihe Grand Bridge is a part of the Zhengzhou–Xi'an High-Speed Railway which connects Zhengzhou and Xi'an, in China. The bridge passes over Wei River twice, also cross Ling River, Xi River, Luofu River, Yuxian River, Shidi River, and many railways and highways.
At the time of its completion, it was the longest bridge in the world but exceeded by two new bridges on Beijing–Shanghai High-Speed Railway that completed in 2010.

The bridge was completed in 2008 and opened on February 6, 2010. It had employed 10,000 workers, and 2,300,000 cubic meters of concrete and 45,000 tons of steel used in construction.

4. Cangde Grand Bridge :-

The 105.81 km long Cangde Grand Bridge is a part of the Beijing–Shanghai High-Speed Railway, which connects Beijing and Shanghai and is the third-longest bridge on the railway. The bridge has a total of 3092 piers.

The bridge has been designed to withstand earthquakes. China took nine years to construct the world's largest sea-crossing bridge. The construction of the Danyang-Kunshan Grand Bridge was started in 2006 and completed in 2010.

3. Tianjin Grand Bridge :-

Tianjin Grand Bridge is a part of the Beijing–Shanghai High-Speed Railway, which connects Beijing and Shanghai, and runs between Langfang and Qingxian. This bridge passes through the densely populated urban area encircling the metropolis. 

It is one of the longest bridges in the world with a total length of about 113.7 km. The construction began in 2006 and was completed in 2010, and opened in 2011.

2. Changhua–Kaohsiung Viaduct :-

The 157.317 km long Changhua–Kaohsiung Viaduct is a part of the railway line of the Taiwan High Speed Rail network, which connects Baguashan in Changhua County to Zuoying in Kaohsiung.
The Changhua–Kaohsiung Viaduct is one of the world's longest bridges.

Over 200 million passengers had been carried over it. The construction of the Changhua–Kaohsiung Viaduct was completed in 2007.

1. Danyang-Kunshan Grand Bridge :-

The 164.8 km long Danyang-Kunshan Grand Bridge is a part of Beijing–Shanghai High-Speed Railway, which connects Beijing and Shanghai. This bridge passes through many areas, namely Danyang, Changzhou, Wuxi, Suzhou, and Kunshan, among others. The Danyang–Kunshan Grand Bridge currently carries the Guinness World Record for the longest bridge in the world in any section as of June 2011.

The bridge is designed and built by the China Road and Bridge Corporation (CRBC), a subsidiary of China Communications Construction Company. The construction of the Danyang-Kunshan Grand Bridge was completed in 2010 and opened in 2011. It took 4 years to construct Danyang-Kunshan Grand Bridge. It had employed 10,000 people and cost about $8.5 billion.