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
Poole Harbour the north of the Harbour and flows into it through a narrow channel near the edge of the suburb of Hamworthy. Holes Bay is a tidal inland lake which lies to the north of Poole Harbour. It is a designated harbour quiet area. The entrance to the bay is a small inlet from the main harbour. Spanning the inlet are two bridges: Poole Bridge and the new Twin Sails Bridge; the latter officially opened in 2012 and cost around £37,000,000. Access to Holes Bay for vessels with a draft greater than is only possible when the bridges are lifted, which