Duge Bridge, Cable-stayed road bridge in Guizhou Province, China
The Duge Bridge is a cable-stayed structure measuring 1,341 meters in total length with a main span of 720 meters, suspended 565 meters above the Nizhu River, connecting Liupanshui in Guizhou Province and Xuanwei in Yunnan Province across a deep canyon.
Officially opened on December 29, 2016, the Duge Bridge became the highest bridge in the world by deck height, surpassing the previous record holder, the Siduhe Bridge, and marking a significant milestone in modern engineering achievements.
The construction of this bridge demonstrates China's commitment to developing transportation infrastructure in mountainous regions, representing technological progress and the ability to overcome geographical challenges through innovative engineering solutions and substantial investment in connectivity.
The bridge forms part of the G56 expressway that spans 2,900 kilometers from Hangzhou to Ruili, reducing travel time between Liupanshui and Xuanwei from approximately four hours to about one hour, facilitating regional trade and improving access to remote areas.
The bridge features H-shaped reinforced concrete pylons standing 269 meters tall, supporting the steel truss deck through 112 pairs of stay cables, and successfully withstood a magnitude 6.5 earthquake in 2017 without sustaining any structural damage.
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