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The Sandridge Bridge is a historic former railway bridge over the Yarra River in Melbourne, Victoria, Australia. The 178.4 metres (585 ft) long bridge which runs diagonally to the river's banks was redeveloped in 2006 as a new pedestrian and cycle path featuring public art. It is the third bridge on the site and is listed on the Victorian Heritage Register. == History == The first bridge on the site was built in 1853 for the original Melbourne and Hobson's Bay Railway Company line to Sandridge from Flinders Street Station to Port Melbourne at Hobsons Bay on Port Phillip, the first passenger railway line in Australia.〔 In 1857 the St Kilda railway line had opened parallel to part of the line to Sandridge, and the original bridge was replaced in 1858 by a timber trestle bridge carrying two lines of rail traffic, with the tight curve of the original railway removed by rebuilding the bridge on a more oblique angle as seen today.〔(【引用サイトリンク】title=Port Melbourne Flinders Street Railway Reservation, South Melbourne, VIC Profile )〕 The current bridge was designed by the Victorian Railways Department and the contract let to David Munro & Co in 1886, the four track bridge opening for traffic in 1888.〔 The actual junction of the Port Melbourne and St Kilda lines was at Flinders Street, with the two pairs of tracks running parallel until Clarendon Street, where the St Kilda line diverged south. Constructed at a 33 degree angle to the river bank, it was one of the first railway structures in Melbourne to use steel girders rather than iron, and the workforce included a young engineering student, John Monash. On either side of the river the steel girders were supported by bluestone and brick buttresses, and on the south side the structure continued as a brickwork viaduct. In the 1920 overhead electrical masts were added as part of the electrification of the line, and the original timber deck was replaced with rail and concrete slabs.〔 The bridge was last used in 1987 with the conversion of the St Kilda and Port Melbourne railway lines to light rail. Some proposals were made for the light rail to continue over the Sandridge Bridge into Flinders Street station, but instead they were diverted from the railway reserve at Clarendon Street and sent into the city via Spencer Street. The light rail operates today as the route 96 tram to St Kilda, and route 109 tram to Port Melbourne. The viaduct over Queensbridge Street and the embankment across the South Bank were listed by the National Trust and were noted as being historically significant, but were still removed. Only the segment over the river itself was retained,〔 with a number of different redevelopment plans proposed during the 1990s. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Sandridge Bridge」の詳細全文を読む スポンサード リンク
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