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The Sydney Harbour Bridge is a steel arch bridge across Sydney Harbour, carrying rail, vehicular, and pedestrian traffic between the Sydney central business district (CBD) and the North Shore, together with the Sydney Harbour Tunnel The dramatic water vista of the bridge together with the nearby Sydney Opera House is an iconic image of both Sydney and Australia. The bridge is locally nicknamed The Coathanger because of its arch-based design, although this usage is less prevalent than it once was. The bridge was the city's tallest structure until 1967. According to Guinness World Records, it is the widest long-span bridge in the world and is the highest steel arch bridge with the top of the bridge standing 134 metres (429.6 feet) above the harbour. It is also the fourth-longest spanning-arch bridge in the world.