What is the bridge near Clark Island made of?
Sydney Harbour Bridge The Sydney Harbour Bridge is a steel through arch bridge across Sydney Harbour that carries rail, vehicular, bicycle, and pedestrian traffic between the Sydney central business district (CBD) and the North Shore. The dramatic view of the bridge, the harbour, and the nearby Sydney Opera House is an iconic image of Sydney, and Australia. The bridge is nicknamed "The Coathanger" because of its arch-based design.
Illinois River Bridge (Siloam Springs, Arkansas) The Illinois River Bridge, also known as the Midway Bridge, is a historic concrete arch bridge near Siloam Springs, Arkansas. It is located in Ozark National Forest, about 6 mi east of Siloam Springs, at the end of Chambers Springs Road (which it formerly carried) south of United States Route 412. The bridge has two elliptical arch spans, each spanning 68 ft , with a total structure length of 139 ft . Built in 1922 by the Luten Bridge Company of Knoxville, Tennessee, it is one of a modest number of bridges of this once-popular and common type remaining in the state.