Northbridge is a suburb on the Lower North Shore of Sydney, New South Wales, Australia. It is located 6 kilometres north of the Sydney Central Business District, in the local government area of the City of Willoughby. The Suspension Bridge, linking the suburb to Cammeray, has become a recognised symbol of Northbridge, completed in January 1892 and purchased by the state government in 1912. The suburb celebrated its centenary in 2013.