Client: Jiangsu Provincial Transportation Engineering Construction Bureau (Original Client: Yangtze River Bridge Construction Command of Jiangsu Province)

Location: Nantong, Suzhou · China

Work Period: 2000 - 2008

Service to Client: Feasibility Study, Investigation, Design

The Sutong Bridge opened to traffic on June 30, 2008. Designed to a dual six-lane expressway standard, its river-crossing section spans a total length of 8,146 meters. The main bridge is a double-tower, double-cable-plane steel box girder cable-stayed bridge with a span arrangement of 100m + 100m + 300m + 1088m + 300m + 100m + 100m.

     Its technical highlights include setting world records for a cable-stayed bridge with a main span of 1,088 meters, a tower height of 300.4 meters, a stay cable length of 577 meters, and a pile group foundation measuring 113.75 by 48.1 meters. The dedicated channel bridge is a prestressed concrete continuous rigid frame bridge (140m + 268m + 140m = 548m), which was the world's second-largest of its type at the time.

     The significance of the Sutong Bridge lies in it being China's largest-scale bridge project at the time, undertaken under the most complex construction conditions.