Sydney Harbour Bridge and opened in 1932. The bridge's design was influenced by the Hell Gate Bridge in New York City. It is the sixth longest spanning-arch bridge in the world and the tallest steel arch bridge, measuring from top to water level. It was also the world's widest long-span bridge, at wide, until construction of the new Port Mann Bridge in Vancouver was completed in 2012. The Sydney Harbour Bridge was added to the Australian National Heritage List on 19 March 2007 and to the New South Wales State Heritage Register on 25 June 1999. The southern end of the bridge is
Sydney Harbour Bridge in post World War II years. In the 1960s and 1970s the Central Business District had extended to the northern side of the bridge at North Sydney which has been due in part to the easy access provided by the bridge and also to the increasing traffic problems associated with the bridge. The place has potential to yield information that will contribute to an understanding of the cultural or natural history of New South Wales. "The archaeological remains have some potential to yield information about the previous residential and commercial occupation of Milsons Point prior to the construction of the