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Longest Bridges In The World:  Bridges are not just an infrastructure but are the lifelines that interlink cities, regions, and even nations. The longest bridges in the world are perfect examples of infrastructure, human creativity, and even finding solutions to geographical difficulties. Over the years, the entertainment industry is been romanticising bridges due to their beauty and essence. Bridges are some of the most important architectural marvels of the world. To learn more, here’s a list of the top 10 longest bridges worldwide, along with their length, location and more, as per the BBC Science Focus. 

List Of Top 10 Longest Bridges In The World: 

Rank Bridge Name Length (km) Location
1 Danyang-Kunshan Grand Bridge  164 China
2 Changhua–Kaohsiung Viaduct 157 Taiwan
3 Cangde Grand Bridge 116 China
4 Tianjin Grand Bridge 113 China
5 Weinan Weihe Grand Bridge 79 China
6 Bang Na Expressway 54 Thailand
7 Beijing Grand Bridge 48 China
8 Lake Pontchartrain Causeway 38 USA (Louisiana)
9 Wuhan Metro Bridge 37 China
10 Manchac Swamp Bridge 36 USA (Louisiana)

  1. Danyang-Kunshan Grand Bridge, China (164km)

The longest bridge in the world is the Danyang-Kunshan Grand Bridge in China. This viaduct is built over the Yangtze River Delta, which joins Shanghai and Nanjing. The bridge was designed to save the place from earthquakes, typhoons, and even ship strikes, it's an important aspect of the Beijing–Shanghai High-Speed Railway.

  1. Changhua–Kaohsiung Viaduct, Taiwan (157km)

The Changhua–Kaohsiung Viaduct is Taiwan's High-Speed Rail's part, which interlinks Baguashan and Zuoying. It is designed to survive seismic activity,  which is crucial for earthquake-prone Taiwan.

  1. Cangde Grand Bridge, China (116km)

The Cangde Grand Bridge is also located on the Beijing-Shanghai High-Speed Railway. The bridge has more than 3,000 piers and was specially engineered to withstand earthquakes.

  1. Tianjin Grand Bridge, China (113km)

Another enormous bridge is on the Beijing-Shanghai line, known as Tianjin Grand Bridge transports high-speed trains over populated cities, made up of 32 sections, which are separately constructed.

  1. Weinan Weihe Grand Bridge, China (79km)

The Weinan Weihe Grand Bridge crosses the Wei River and is a part of the Zhengzhou–Xi’an High-Speed Railway. It’s a vital link in China’s expanding high-speed rail network.

  1. Bang Na Expressway, Thailand (54km)

Bang Na Expressway is a box-girder bridge which serves as a six-lane elevated highway over Bangkok. Once the world’s longest bridge, it remains a crucial artery for the city’s traffic.

  1. Beijing Grand Bridge, China (48km)

This Beijing Grand railway bridge spans over Beijing South and Langfang. This Beijing–Shanghai High-Speed Railway bridge reflects China's supremacy in enormous-bridge building.

  1. Lake Pontchartrain Causeway, USA (38km)

Lake Pontchartrain Causeway is also called the Causeway. This double-level set of parallel bridges links Metairie and Mandeville in Louisiana, USA. It's widely popular for the spooky feeling of being surrounded by water with no landmass in view.

  1. Wuhan Metro Bridge, China (37km)

The world's first elevated Metro line, the Wuhan Metro Bridge in China, helps in Yangtze River congestion and exemplifies public transport infrastructure integration. 

  1. Manchac Swamp Bridge, USA (36km)

This twin concrete Manchac Swamp Bridge in the USA spans the eerily scenic Manchac Swamp in Louisiana, and carries Interstate 55 and US Route 51.

Longest Bridge In India:

India does not have any bridges listed among the world’s top 10 longest bridges. The longest river bridge in India is the Dhola-Sadiya Bridge (Bhupen Hazarika Setu) in Assam, which spans 9.15 kilometres over the Lohit River and connects Assam with Arunachal Pradesh. Atal Setu, also known as the Mumbai Trans Harbour Link, is the longest sea bridge in India.