Nanpu Bridge

The Nanpu Bridge, in Shanghai, China, sister bridge to the Yangpu Bridge, is one of the main bridges in Shanghai, forming part of Shanghai's elevated inner ring road.
The cable-stayed bridge was designed by the Shanghai Municipal Engineering Design Institute, Shanghai Urban Construction College, and Shanghai Urban Construction Design Institute, with assistance from Holger S. Svensson. The engineering of the bridge is noted as the start of modern long span cable-stayed bridge construction in China. The construction cost amounted to RMB 820 million.
It has a main span of 428 meters, shorter than its sister bridge. It is the 57th longest cable-stayed bridge in the world, opened to the public in 1991.
The bridge's double spiral approach on the Puxi side was listed as the world's largest, with a diameter of 180 meter and a total distance of 7.5 km.