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The definition of cable-stayed bridge deck length used here is: A continuous part of the bridge deck that is supported only by stay-cables and pylons, or are free spans. This means that columns supporting the side span as for example found in Pont de Normandie , excludes most of the side span decks from the cable-stayed deck length.
The Sutong Yangtze River Bridge was designed by Dr. Robin Sham, CBE, FICE, a Hong Kong-born and British-based structural engineer who specializes in bridges. [1] With a span of 1,088 metres (3,570 ft), it was the cable-stayed bridge with the longest main span in the world from 2008 to 2012.
The bridge is one of the world's longest cable-stayed bridges, with a length of 1,010 metres (3,310 ft). The span is 530 metres (1,740 ft), while the two towers are 152 metres (499 ft) above sea level. The deck is 2.15 metres (7.1 ft) deep, and 13 metres (43 ft) wide, with two lanes for automobiles and one for pedestrians and bicycles.
The main multi-span cable-stayed bridge is 2,680 m (8,790 ft) long from abutment to abutment and is mostly supported by six 227 m (745 ft) tall pylons, each with two sets of two-plane harps of cable stays to sustain two box-girder carriageways, one on either side of the pylons.
Cable-stayed Steel box girder deck, steel pylons 2x2 lanes 151+372+155: Interstate 310 Mississippi River. 1983: ... Long Beach International Gateway: 305 m (1,000 ft)
The cable on the northern span has four extra strands. Each cable can take a load of 19,400 t (19,100 long tons). The deck is of box girder form, the box sections around 140 t (140 long tons) each. The first box sections were assembled in June 1975 and put into the main span on 9 November 1979.
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