The Dubbo rail bridge over Macquarie River - Wambuul is a heritage-listed railway bridge on the Main Western line across the Macquarie River, located west of the Dubbo central business district in New South Wales, Australia. It was designed by John Whitton as the Engineer-in-Chief for the New South Wales Government Railways. The bridge was built during 1884 by Benjamin Barnes, with ironwork by Cochrane & Co, Middlesborough, England. The railway bridge is also known as the Dubbo Lattice Railway Bridge. The property is owned by RailCorp, an agency of the Government of New South Wales. The bridge was added to the New South Wales State Heritage Register on 2 April 1999 and was listed on the (now defunct) Register of the National Estate on 18 April 1989.