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乃街桥

乃街桥
Knight Street Bridge
坐标49°12′15″N 123°04′39″W / 49.204084°N 123.077517°W / 49.204084; -123.077517
承载乃街(4-6条行车线)
行人及单车通道
跨越菲沙河北支流
地点加拿大不列颠哥伦比亚省大温哥华地区
南端:列治文
北端:温哥华
维护单位运输联线
上游桥梁菲沙街桥
设计参数
桥型桁桥英语Girder bridge
全长1436米
历史
开工日1969年
开通日1974年
地图
地图

乃街桥[1](英语:Knight Street Bridge)是加拿大不列颠哥伦比亚省大温哥华地区内一条悬臂桥英语Cantilever bridge,经米彻尔岛英语Mitchell Island跨越菲沙河北支流,北起温哥华市,南至列治文鲁鲁岛。它贯通两岸的乃街,并于其南端接驳其他道路通往91号99号公路英语List of British Columbia provincial highways。大桥分为南北两段:南段长1198米、载有四条行车线;而北段则长238米、载有六条行车线。两者合计全长1436米。[2]大桥由大温地区的交通管理局运输联线负责营运。[3]

大桥北端与东南海运大道的交汇处名列2008年全省十大交通黑点之一。[4]

历史

温哥华市的菲沙街和列治文市的五号路过去以菲沙街桥连接。该座桥梁于1905年通车,介乎温哥华市和米彻尔岛之间一部分可旋转让船只通过菲沙河北支流。然而,船只撞往桥身的事故仍不时发生。为了让船只安全通过此航道,当局从1969年起在菲沙街桥以东兴建一条桥身较高的新桥,并将温市的乃街往南伸延至列治文鲁鲁岛。乃街桥连引道工程为时五年,耗资1500万加元,于1974年1月15日通车,而菲沙街桥亦于同年2月拆卸。[5]乃街桥桥面下方置有电力保暖管,冬季可为桥面加暖令冰雪溶解,让当局可减少使用溶雪盐。[5]大桥亦设有管道输送用水和天然气,而此供水管更曾是米切尔岛的唯一用水来源。[6]

2000年1月15日,一艘拖船运载着一部起重机在菲沙河北支流航行时撞向乃街桥桥身底部。事后大桥需封闭两日以进行紧急维修,而桥内的输水管亦爆裂。[7]列治文市政府需从温哥华市建造一条临时输水管向米切尔岛供水,而乃街桥内的输水管待事发25日后才重新运作。[6]经此一役,列治文市政府于2002年为米切尔岛建造一个后备供水系统。[8]

参考资料

  1. ^ 明报加西版. 溫市交通黑點 乃街橋最危險. www.mingpaocanada.com. [2023-06-02]. 
  2. ^ Frontier to Freeway: A short illustrated history of the roads in British Columbia (PDF). [2011-01-26]. (原始内容 (PDF)存档于2011-06-11). 
  3. ^ Knight St Bridge页面存档备份,存于互联网档案馆), TransLink
  4. ^ Accident-prone Metro home to all top 10 crash sites页面存档备份,存于互联网档案馆), Vancouver Sun, November 12, 2009. Accessed online January 20, 2011.
  5. ^ 5.0 5.1 The History of Metropolitan Vancouver - 1974 Chronology. [2011-01-26]. (原始内容存档于2019-04-27). 
  6. ^ 6.0 6.1 City of Richmond: Report to Committee re: Knight Street Bridge Watermain (PDF). [2011-01-26]. (原始内容存档 (PDF)于2019-12-06). 
  7. ^ Transportation Safety Board of Canada - MARINE REPORTS - 2000 - M00W0005. [2011-01-26]. (原始内容存档于2019-03-17). 
  8. ^ City of Richmond: 2002 Annual Report (PDF). [2011-01-26]. (原始内容存档 (PDF)于2019-11-15). 
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乃街桥
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