World's longest-spanning arch bridge takes shape in China

World's longest-spanning arch bridge takes shape in China
PHOTO: China Daily/Asia News Network

Workers have successfully completed the closure of the top-bear concrete-filled steel tube arch bridge with the world's longest span of its kind in Southwest China's Guizhou province when they installed the last steel tube on Saturday.

The bridge is 1.5 kilometers long, with its main span 450 meters, over the Dajing River in Luodian county. It is the core project of the highway from Yuqing to Anlong in Guizhou.

According to a worker, the bridge has a total of 58 sections, and the largest one weighs 160 tons. Each section will be lifted 200 meters in the air and moved 550 meters to its position.


Photo: China Daily/Asia News Network

After the closure, workers will fill concrete into the eight major steel tubes.


Photo: China Daily/Asia News Network

The bridge will shorten the drive time to one hour between Pingtang town and Luodian town.


Photo: China Daily/Asia News Network
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