The Sydney Harbour Bridge is the world’s longest steel arch bridge
March, 19: The Sydney Harbour Bridge is opened
The Chaotianmen Bridge is a road-rail bridge over the Yangtze River in the city of Chongqing, China. The bridge which opened on 29 April 2009 is the world's longest arch bridge.
The continuous steel truss arch bridge with tie girders has a height of 142 m (466 ft) from middle supports to arch top, main span of 552 m (1,811 ft) and a total length of 1,741 m (5,712 ft). It carries 6 lanes in two ways and a pedestrian lane on each side on the upper deck, and dual light rails in the middle and 2 traffic lanes on each side on the lower deck.One of Australia's most well known and photographed landmarks the Sydney Harbour Bridge is the world's largest (but not the longest) steel arch bridge standing at it highest point 134m (440 ft) above Sydney Harbour. Of steel through arch design it carries rail, motor vehicle, bicycle and pedestrian traffic between Sydney's central business district and the North Shore. The bridge has a total length of 1,149m (3,770 ft) across a 503m (1,650 ft) main span and five approach spans on either side.