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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 world's longest cable crossing, nearly 2 km with the 750 t MV Baynes Sound Connector uses three wire ropes pretensioned with 200 kN. In spite of careful planning, the expected large energy savings compared to the former free ferry are not realised, also due to fouling and a speed of 8.5 knots. 998 kW engine power is installed, in the former ...
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.
Its five-span four-pylon cable-stayed portion of length 2,252 m (7,388 ft) is the world's third longest cable-stayed deck; only the decks of the Jiaxing-Shaoxing Sea Bridge in Shaoxing, China and the Millau Viaduct in southern France are longer at 2,680 m (8,790 ft) and 2,460 m (8,071 ft), respectively.
With a total length of 2,460 metres (8,070 ft) and seven towers, it also has the longest cable-stayed suspended deck in the world. Most SNP (Bridge of the Slovak National Uprising) – the world's longest cable-stayed bridge to have one pylon and one cable-stayed plane (Bratislava, Slovakia, 1967–1972)