Batman Bridge, Cable-stayed road bridge in Sidmouth, Australia.
Batman Bridge is a cable-stayed road bridge spanning the Tamar River and connecting Batman Highway to both West Tamar Highway A7 and East Tamar Highway A8. The structure uses a steel A-frame tower to support the main deck through suspended cables.
The bridge was built between 1966 and 1968 and marked Australia's first cable-stayed bridge construction. This project represented a milestone in Australian engineering innovation and design.
The bridge honours John Batman, a Launceston businessman and co-founder of Melbourne. It overlooks the Deviot Sailing Club, whose boats and moorings on the Tamar are visible from the deck. The name ties the crossing to the colonial settlement of northern Tasmania.
The bridge carries the Batman Highway between the West Tamar Highway (A7) and the East Tamar Highway (A8), with its eastern end at Hillwood and its western end at Sidmouth/Deviot. The deck is 10.3 m wide and the crossing is 432 m between abutments. It overlooks the Deviot Sailing Club on the Tamar River.
The tower stands on the west bank on a solid dolerite base that carries 78% of the main span's weight. The east bank is soft clay unable to support a bridge, so a causeway on four piers, with piles driven up to 18 metres into the clay, carries the highway.
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