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Danyang–Kunshan Grand Bridge  

Danyang-Kunshan Grand Bridge is the world’s longest bridge with a length of 102.4 miles from Shanghai to Nanjing as part of the Beijing-Shanghai High-Speed Railway. This bridge was originally built to transport trains on one of China’s premier high-speed railways over an incredible distance. It is located in Nanjing, Shanghai.

This bridge falls into viaduct category, which is composed of several small spans for crossing a valley or a gorge.  It crosses over a number of different terrains including rivers, canals, chasms, streams, flatlands, hills, lakes, and fields of rice paddies.


Quick Facts: –

  • Danyang-Kunshan Grand Bridge was opened on June 30th 2011. The total cost of the project was 8.5 billion dollars.
  • The construction of the bridge took 4 years to be completed with a workforce consisting of almost 10,000 people.
  • The main purpose of the bridge is to solve the railway traffic in the area.
  • It is sturdy enough to withstand natural disasters like a magnitude 8 earthquake and also direct impacts from naval vessels that weigh up to 300,000 tons.
  • The bridge hosts a train line that runs between Shanghai and Nanjing in East China’s Jiangsu province.
  • A 9 kilometers long section of the bridge spans over the open water of Yangcheng Lake.
  • It was built on top of 2000 pillars, steel cables and impressive 450,000 tons of steel structure.
  • The rail transport segment of this bridge named Langfang–Qingxian viaduct covers the distance of 70.8 miles.



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Declan, Tobin. " Fun Facts about Danyang–Kunshan Grand Bridge ." Easy Science for Kids, Jan 2019. Web. 20 Jan 2019. < >.

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Tobin, Declan. (2019). Fun Facts about Danyang–Kunshan Grand Bridge. Easy Science for Kids. Retrieved from

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