Top 10 Longest Bridges in the World

Danyang-Kunshan Grand Bridge

1. Danyang-Kunshan Grand Bridge (China)

Length: 164.8 km (102.4 miles)
Type: Viaduct (High-speed railway bridge)
Location: Jiangsu, China
Opened: 2011

The Danyang-Kunshan Grand Bridge is the world's longest bridge, spanning across rivers, lakes, and rice paddies. It's a critical part of the Beijing-Shanghai High-Speed Railway, reducing travel time between Beijing and Shanghai from 10 hours to just 4 hours.

Changhua-Kaohsiung Viaduct

2. Changhua-Kaohsiung Viaduct (Taiwan)

Length: 157.3 km (97.8 miles)
Type: Viaduct (Part of Taiwan High-Speed Rail)
Location: Taiwan
Opened: 2007

This viaduct is a key segment of Taiwan's high-speed rail network, connecting major cities while withstanding frequent earthquakes. It forms the longest part of the Taiwan High Speed Rail line, which runs along the west coast of the island.

Tianjin Grand Bridge

3. Tianjin Grand Bridge (China)

Length: 113.7 km (70.6 miles)
Type: Viaduct (High-speed railway)
Location: Hebei, China
Opened: 2011

Another marvel of China's rail infrastructure, this bridge reduces travel time between Beijing and Shanghai significantly. It crosses diverse terrain including rivers, highways, and urban areas while maintaining high-speed rail operations.

Cangde Grand Bridge

4. Cangde Grand Bridge (China)

Length: 105.8 km (65.8 miles)
Type: Viaduct (High-speed rail)
Location: Hebei, China
Opened: 2010

Built to support high-speed trains, this bridge showcases China's expertise in large-scale infrastructure projects. It forms part of the Beijing-Shanghai High-Speed Railway and was constructed using prefabricated sections for rapid assembly.

Weinan Weihe Grand Bridge

5. Weinan Weihe Grand Bridge (China)

Length: 79.7 km (49.5 miles)
Type: Viaduct (High-speed railway)
Location: Shaanxi, China
Opened: 2008

This bridge crosses the Wei River twice and was once the longest bridge in the world until surpassed by others on this list. It's part of the Zhengzhou-Xi'an High-Speed Railway and was designed to withstand seismic activity in the region.

Bang Na Expressway

6. Bang Na Expressway (Thailand)

Length: 54 km (33.5 miles)
Type: Road bridge (Elevated highway)
Location: Bangkok, Thailand
Opened: 2000

One of the longest road bridges, it helps alleviate traffic congestion in Bangkok by providing an elevated route. The six-lane expressway runs above the existing Bang Na-Trat Highway and was the world's longest road bridge until 2008.

Beijing Grand Bridge

7. Beijing Grand Bridge (China)

Length: 48.1 km (29.9 miles)
Type: Viaduct (High-speed railway)
Location: Beijing, China
Opened: 2011

Part of the Beijing-Shanghai High-Speed Railway, this bridge ensures smooth and rapid transit across northern China. It was constructed using advanced pre-stressed concrete technology to support high-speed train operations.

Lake Pontchartrain Causeway

8. Lake Pontchartrain Causeway (USA)

Length: 38.4 km (23.8 miles)
Type: Road bridge (Longest continuous over-water bridge)
Location: Louisiana, USA
Opened: 1956 (expanded in 1969)

This iconic U.S. bridge holds the Guinness World Record for the longest continuous bridge over water. The twin parallel bridges cross Lake Pontchartrain in southern Louisiana, connecting Metairie with Mandeville.

Manchac Swamp Bridge

9. Manchac Swamp Bridge (USA)

Length: 36.7 km (22.8 miles)
Type: Road bridge (Elevated highway)
Location: Louisiana, USA
Opened: 1979

Located in Louisiana, this bridge runs over a swamp and is one of the longest bridges in the U.S. It carries Interstate 55 over the Manchac Swamp and is supported by over 9,000 concrete pilings driven deep into the swamp.

Yangcun Bridge

10. Yangcun Bridge (China)

Length: 35.8 km (22.2 miles)
Type: Viaduct (High-speed railway)
Location: Tianjin, China
Opened: 2007

Another critical link in China's high-speed rail network, enhancing connectivity between major cities. The bridge forms part of the Beijing-Tianjin Intercity Railway, China's first dedicated passenger rail line.