The top 5 longest bridges in the world, as of my training data cutoff of 2021, are:
1. Danyang–Kunshan Grand Bridge, China - 102.4 miles (165 kilometers)
2. Tianjin Grand Bridge, China - 113.7 miles (183 kilometers)
3. Weihe Grand Bridge, China - 79.7 miles (128 kilometers)
4 .Bang Na Expressway, Thailand - 55 miles (88.5 kilometers)
5. Beijing Grand Bridge, China - 48.153 miles (77.5 kilometers)
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Danyang–Kunshan Grand Bridge, China
The Danyang–Kunshan Grand Bridge is a viaduct on the Beijing-Shanghai High-Speed Railway in China. It is the longest bridge in the world, with a total length of 102.4 miles (165 kilometers). The bridge was completed in 2010 and connects the cities of Danyang and Kunshan in Jiangsu province, passing over the Yangtze River Delta. The bridge is designed to accommodate high-speed trains traveling at speeds up to 217 mph (350 km/h) and is an important part of China's growing high-speed rail network.
Tianjin Grand Bridge, China
The Tianjin Grand Bridge is a viaduct on the Beijing-Shanghai High-Speed Railway in China. It has a total length of 113.7 miles (183 kilometers), making it one of the longest bridges in the world. The bridge is located in the Tianjin Municipality in northeastern China and crosses over the Bohai Sea, connecting the cities of Langfang and Qingxian. The bridge was completed in 2010 and is designed to accommodate high-speed trains traveling at speeds up to 217 mph (350 km/h). Like the Danyang–Kunshan Grand Bridge, the Tianjin Grand Bridge is an important component of China's rapidly expanding high-speed rail network.
Weihe Grand Bridge, China
The Weihe Grand Bridge is a viaduct on the Zhengzhou–Xi'an High-Speed Railway in China. It has a total length of 79.7 miles (128 kilometers), making it one of the longest bridges in the world. The bridge crosses the Wei River and passes through several mountain ranges and valleys in central China. The bridge was completed in 2010 and is designed to accommodate high-speed trains traveling at speeds up to 217 mph (350 km/h). The Weihe Grand Bridge is a key component of the high-speed rail network connecting the cities of Zhengzhou and Xi'an in central China.
Bang Na Expressway, Thailand
The Bang Na Expressway is a highway in Thailand that is elevated on a viaduct for most of its length. It has a total length of 55 miles (88.5 kilometers), making it one of the longest bridges in the world. The expressway is located in the suburbs of Bangkok and connects the city to the eastern seaboard. The elevated highway was built to alleviate traffic congestion in the Bangkok metropolitan area and was completed in 2000. The Bang Na Expressway is a crucial transportation link in Thailand and is used by both private and commercial vehicles.
Beijing Grand Bridge, China
The Beijing Grand Bridge is a viaduct on the Beijing-Shanghai High-Speed Railway in China. It has a total length of 48.153 miles (77.5 kilometers), making it one of the longest bridges in the world. The bridge is located in the northern suburbs of Beijing and crosses over several rivers, canals, and highways. The bridge was completed in 2010 and is designed to accommodate high-speed trains traveling at speeds up to 217 mph (350 km/h). The Beijing Grand Bridge is an important component of the high-speed rail network connecting the capital city of Beijing to other major cities in China.