Longest Bridge in the World

By : Neha Dhyani

Updated : Mar 1, 2023, 14:42

Numerous longest bridge in the world connects two points on land when a river or other barrier is in the way. Some bridges are modern, and others are antique. This article will mention the longest bridge in the World and its most interesting facts. China was the first country to construct the longest bridge in the World, famous for having robust, sophisticated buildings and structures.

The bridge has arches that extend over water and is called the Danyang-Kunshan Grand Bridge. It is also commonly called the Danyang-Kunshan Expressway Bridge. The bridge crossed Lake Tai in Jiangsu Province, China, and opened to the public in 2011. The bridge measures 102 miles long and is 3 km longer than Japan's Akashi Kaikyo Bridge, the longest bridge in the World before 2010.

Interesting facts about Danyang-Kunshan Grand Bridge

At 102 miles, it is more than six times longer than the Akashi Kaikyō Bridge, which was assumed to be the longest in the World at 6.5 miles. It spans the Yangtze River, the longest river in Asia and the third-longest in the World.

  • Compared to other bridges around the World, it is enormous, but its height is relatively short compared to other bridges worldwide.
  • The bridge is not very well known outside of China because it does not cross a significant waterway or connect major cities. It mainly connects Danyang with Kunshan with a highway running through the entire bridge.
  • Since its opening in 2011, this massive and longest river bridge in the World has been quite controversial because of its hefty price tag of $8.5 billion and its appearance.
  • Many believe the bridge construction must have been different to blend into the surrounding environment better.

Essential Facts about the longest bridge in the World

The cable-stayed structure consists of three main spans supported by towers spaced slightly over half a mile apart. The center span is 2,585 meters (9,500 feet) long, while the side spans are 1,710 meters (5,600 feet).

  • The bridge pillars are 192 meters tall and got built utilizing more than 37,000 tons of steel.
  • The total weight of the structure is approximately 573 million pounds.
  • The longest bridge in the World is present between Nanjing and Shanghai.
  • It is known as one of China's most important railway construction projects.
  • It got designed by the China Road and Bridge Corporation to withstand strong winds and typhoons that frequently happen on rivers.

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There are no tolls for crossing this bridge over water, but you will pay a toll if you travel on land. The cost of using the road next to the bridge is approximately USD 13 round trip.

  • Due to its immense length, it is also called the "longest railway bridge in the world" or "longest sea bridge in the world".
  • It cost around $1.3 billion to construct this bridge that connects two major metropolitan cities, i.e. Danyang and Kunshan, via an artificial island called Hengsha Island.

List of Longest Bridge in the World

Here is a tabular representation of the longest bridge in the world list:

Name of the Bridge


Length of the Bridge (m)

Height of the bridge (Ft)

Danyang-Kunshan Grand Bridge




Changhua-Kaohsiung Viaduct




Kita-Yaita Viaduct Tohoku Shinkansen




Tianjin Grand Bridge




Cangde Grand Bridge




Weinan Weihe Grand Bridge




Bang Na Expressway




Beijing Grand Bridge




Lake Pontchartrain Causeway




Wuhan Metro Bridge




Danyang-Kunshan Grand Bridge

The world's longest bridge is Danyang Kunshan Grand Bridge. It is a 164.8-kilometer-long (102.4 mi) carried by railway or road across a valley on the Beijing–Shanghai High-Speed Railway.

  • Its construction cost was US$8.5 Billion, and it opened in 2011.
  • The rail line location is between Shanghai and Nanjing in the Jiangsu region.

Changhua-Kaohsiung Viaduct

The second longest bridge in the world is Changhua-Kaohsiung Viaduct. It acts as a viaduct for part of the railway line of the Taiwan High-Speed Rail network.

  • The bridge runs over a length of 157,317 m.
  • It opened in 2007, beginning in Baguashan, Changhua County, and ending in Zuoying, Kaohsiung.

Kita-Yaita Viaduct Tohoku Shinkansen

The third biggest bridge in the world, having a route length of 674.9 km (419.4 mi) is Kita-Yaita Viaduct Tohoku Shinkansen. It is a high-speed Shinkansen rail line connecting Tokyo with Aomori in Aomori Prefecture.

  • The bridge opened in June 1982, having 23 stations.
  • East Japan Railway Company (JR East) manages the line.

Tianjin Grand Bridge

The Tianjin Grand Bridge, a length of 113.7 km, is the fourth longest bridge in the world. It is a railway bridge that stretches between Langfang and Qingxian, part of the Beijing–Shanghai High-Speed Railway.

  • The bridge opened in 2011.
  • The layout of the raised track got finalized to avoid countless individual structures for crossing railways and roads and trim the construction period.

Cangde Grand Bridge

The fifth world's highest bridge is Cangde Grand Bridge. It is a part of the Beijing–Shanghai High-Speed Railway that finished in 2010.

  • The bridge got created with the thought of resisting earthquakes.
  • The total length of the super-large bridge is 105.81 km, and it has a total of 3092 ports.

Weinan Weihe Grand Bridge

The 79.732-kilometer-long bridge comes sixth on the list of the longest bridge in the world. A portion of the Zhengzhou–Xi'an High-Speed Railway joins Zhengzhou and Xi'an in China.

  • The longest bridge crosses the Wei River twice and many other rivers, such as the Xi river, Ling river, Luofu river, Shi Di river, and many more, highways and railways.
  • The bridge got opened on February 6, 2010.

Bang Na Expressway

The seventh longest is Bang Na Expressway, officially Burapha Withi Expressway. It is a 55-kilometer-long six-lane raised highway in Thailand.

  • It is a toll road created above National Highway route 34, owned by the Expressway Authority of Thailand.
  • Its length is 55 km, running from Bang Na to Bang Pakong since 2000.

Beijing Grand Bridge

Beijing Grand Bridge is a 48.15-kilometer-long railway viaduct on the Beijing–Shanghai High-Speed Railway, located in Beijing.

  • It is the eighth longest bridge in the world.
  • The bridge got opened in 2011, carrying rail over it.

Lake Pontchartrain Causeway

The ninth longest bridge is The Lake Pontchartrain Causeway also called The Causeway, formed of two parallel bridges crossing Lake Pontchartrain in southeastern Louisiana, United States.

  • The longest of the two bridges is 23.83 miles long.
  • The bridge got opened in 1956, carrying a daily traffic of 43,000.

Wuhan Metro Bridge

Line 1 of Wuhan Metro, the tenth biggest bridge in the world, is a high metro line in the city of Wuhan, Hubei. It is the longest continuous metro extension in the world.

  • Line 1 opened in 2004, making Wuhan the fifth city in China continent to have a metro system.
  • Its approximate length is 38 km.

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People are amazed by the longest bridge in the world. In this article, you will know the world's ten longest bridges with their lengths.

  • It was one impressive undertaking that took almost four years to complete and cost 8.5 billion USD.
  • We can only wonder how hard it must be to maintain! As you drive across the bridge, take a snapshot of this fantastic piece of architecture.

FAQs about Longest Bridge in the World

Which is the longest bridge in the world?

The longest bridge in the world is the Danyang-Kunshan Grand Bridge. It is a 164.8-kilometer-long bridge carried by railway or road across a valley in Beijing, China.

What is the cost of the longest road bridge in the world?

The cost of the longest bridge, the Danyang-Kunshan Grand Bridge, is 8.5 billion dollars.

How long did it take to construct Danyang-Kunshan Grand Bridge?

It took approximately four years to complete the construction of the Danyang-Kunshan Grand Bridge.

Which is the Second Longest bridge in the world?

Changhua-Kaohsiung Viaduct Bridge is the Second Longest Bridget in the World. The bridge runs over a length of 157,317 m.

What is the top 10 longest bridge?

The top 10 longest bridges are The Danyang-Kunshan Grand Bridge, Changhua–Kaohsiung Viaduct, Cangde Grand Bridge, Tianjin Grand Bridge, Weinan Weihe Grand Bridge, Bang Na Expressway, Beijing Grand Bridge, Lake Pontchartrain Causeway, Wuhan Metro Bridge, and Manchac Swamp Bridge.

What are the 2 longest bridges in the world?

Danyang-Kunshan Grand Bridge and Changhua-Koahsiung Viaduct are the 2 longest bridges in the world. The second longest bridge is approximately seven kilometers shorter than the first longest bridge.