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The Fredericton Railway Bridge is a former railway bridge in Fredericton, New Brunswick, Canada now used to carry pedestrians and cyclists. It crosses the Saint John River from the east end of Fredericton's central business district on the west bank of the river to the former community of South Devon (amagalgamated into Fredericton in 1945) on the east bank. Since 1997, it has been used as a pedestrian bridge and is part of the Sentier NB Trail system and also part of the Trans Canada Trail. Fredericton claims it is the "world's longest walking bridge." On June 7, 2008 the bridge was renamed the Bill Thorpe Walking Bridge, after a founder of the Fredericton Trail System. ==Structure== The bridge consists of 9 spans crossing a distance of over water and was constructed in 1938. It is a through truss design built entirely of steel and sits upon 8 concrete piers in the water and 2 concrete abutments, 1 on each bank. The bridge has a vertical clearance of for vessels above the navigation channel which runs under the third span from the west bank; this span is a swing span and was used to permit passage of river vessels with a higher air draught. The swing span was last operated in 1976 to permit the passage of barges upriver carrying construction equipment for the Westmorland Street Bridge project. 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「Fredericton Railway Bridge」の詳細全文を読む スポンサード リンク
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