anchored in the middle. The bridge was constructed in 12-pontoon sections which were then towed out into the river and connected to the banks and to each other in the middle. The total volume of concrete used in making these pontoons was . The two halves of the bridge were made of ten pontoons, one section, and one section, joined in the middle by a vertical locking pin, which was saved when the bridge was demolished and is now on display outside the Royal Engineers Building in Hobart. The total length of the roadway was . The total width of the bridge was . It had a two-lane roadway and a footpath on one side. At the western end a large lifting section was provided to allow ships to pass. It provided a vertical clearance of at low tide, and the opening section was wide. Four electric motors were used to open the bridge, which took two minutes. The total weight of steel used in the construction of the bridge was . Engineering heritage award The bridge received an Engineering Heritage National Marker from Engineers Australia as part of its Engineering Heritage Recognition Program. See also List of bridges in Australia Gallery References Parliament of Tasmania History site - Hobart to Tasman Bridge Bridges in Hobart Bridges completed in 1943 Demolished buildings and structures in Hobart Pontoon bridges Vertical lift bridges in Australia History of Hobart Former toll bridges in Australia Road bridges in Tasmania 1943 establishments in Australia 1964 disestablishments in Australia Recipients of Engineers Australia engineering heritage markers