Description
The ANZAC Bridge is the longest span cable-stayed bridge in Australia. The bridge is 32.2 metres (106 ft) wide and the main span is 345 metres (1,132 ft) long. The reinforced concrete pylons are 120 metres (390 ft) high and support the deck by two planes of stay cables. Initially the stay cables were plagued by vibrations which have since been resolved by the addition of thin stabilising cables between the stay cables.
There is a pedestrian path / bikeway that runs along the northern side of the bridge, making possible a leisurely 30-40 minute walk from Glebe Point Road, down Bridge Road, over the Bridge and round Blackwattle Bay back to Glebe Point Road.
The bridge was criticised by some as over-engineered because its size and cost were justified in order to permit shipping into Johnstons Bay. However, this bay ceased to have substantial use for shipping soon after construction was completed.
The bridge is now regularly patrolled by security guards as a counter-terrorism measure. Security cameras also monitor the walkway.
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