Pingnan Third Bridge is the largest arch bridge in the world. On February 28th, 2020, at 65438, the third Pingnan Bridge in Guangxi, the world's largest span arch bridge, was officially completed and opened to traffic. The total length of the bridge is 1.035 meters, the main bridge span is 575 meters, the deck width is 36.5 meters, and it has four lanes in both directions.

Pingnan Third Bridge is located 6 kilometers upstream of Xijiang Bridge in Pingnan County, Guigang City, Guangxi Zhuang Autonomous Region. It is a super-large bridge across Jiang Xun on the Pingnan Interchange Line of Lipu-Yulin Expressway.

Achievements in the construction of Pingnan Third Bridge.

The half-through concrete-filled steel tubular arch bridge with a span of 575 meters designed by Pingnan Third Bridge has the highest scientific and technological content, precise manufacturing technology and cutting-edge design and construction technology in the world, which will create the history of building long-span concrete-filled steel tubular arch bridge under adverse geological conditions and is of great significance to promoting the application and development of long-span concrete-filled steel tubular arch bridge.