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a competition was launched to find a suitable design.
There had been plans to build a bridge as early as 1815, when Francis Greenway proposed that a bridge be built across the harbour. Nothing came of this. , There were many entries, but none was accepted owing to low standards. -
The bridge was designed and built by Dorman Long and Co Ltd, Middlesbrough Teesside and Cleveland Bridge, Darlington, County Durham.
Until 1967 it was the city's tallest structure. -
According to Guinness World Records, it is the world's widest long-span bridge
It is the tallest steel arch bridge, measuring 134 metres (440 ft) from top to water level. It is also the fifth-longest spanning-arch bridge in the world. -
The Sydney Harbour Bridge
is a steel through arch bridge across Sydney Harbour that carries rail, vehicular, bicycle and pedestrian traffic between the Sydney central business district (CBD) and the North Shore. -
The arch
is composed of two 28-panel arch trusses; their heights vary from 18 m (59 ft) at the centre of the arch to 57 m (187 ft) at the ends next to the pylons.