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Ryde Bridge
The Ryde Bridge, also called the Uhrs Point Bridge, comprising two steel truss inoperable vertical-lift bridges that spans the Parramatta River, are located west of the central business district of Sydney in New South Wales, Australia. The two bridges carry six lanes of the A3 from in Sydney's Northern Suburbs to in Sydney's Inner West. The Ryde Bridge comprises two separate truss inoperable vertical-lift bridges carrying a northbound and a southbound carriageway respectively.
==History==
The original Ryde Bridge was opened on 7 December 1935 by the Premier Bertram Stevens, accompanied by the Mayor of Ryde.〔 The original bridge is a lift bridge, which was required to allow shipping to pass to the State Timber Yard then located on the southern bank of the Parramatta River, just west of the bridge. However the lifting mechanism was removed in the late 20th century and it has not been opened since. The bridge was paid for by the Ryde Council with the assistance of a grant from the New South Wales Government. The bridge carried a toll for 13 years until the bridge was paid for. Ownership was transferred to the Department of Main Roads.
A new bridge was built on the eastern or downstream side using steel trough girders, closed on top by a composite concrete running deck, and completed in 1987. The second bridge carries southbound traffic, with the original bridge carrying northbound traffic only.〔 It was officially opened on 25 November 1988 by Premier Nick Greiner and Federal Minister For Transport Ralph Willis.
Before the original bridge was constructed, the Parramatta River was crossed in this area by a vehicular punt, just downstream of the railway bridge. The southern ramp still exists near the southern end of the railway bridge, however the northern ramp has been covered over by Meadowbank ferry wharf.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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