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旧金山—奥克兰海湾大桥

旧金山-奥克兰海湾大桥
San Francisco-Oakland Bay Bridge
旧金山-奥克兰海湾大桥
坐标37°49′5″N 122°20′48″W / 37.81806°N 122.34667°W / 37.81806; -122.34667
承载I-80
跨越旧金山湾区
地点旧金山奥克兰
官方名称The James "Sunny Jim" Rolph Bridge
其他名称海湾大桥、湾区大桥
维护单位加利福尼亚州运输部
编号英语National Bridge Inventory
  • 34 0003 (西)
  • 34 0004 (芳草岛隧道)
  • 33 0025 (东)
设计参数
桥型悬索桥
全长7.18千米(4.46哩)
宽度西桥5线( 57.5呎(17.5米))
东桥10线( 258.33呎(78.74米))
最大跨度西侧双跨:2,310呎(704米)
东侧主跨:1,400呎(430米)
历史
开通日1936年11月12日
统计
日交通量24万辆/日[1][2]
通行费往旧金山方向(西向)单向收费
  • $7.00 (高峰时段)
  • $2.50 (高峰时段高乘载)
  • $5.00 (平日非高峰时段)
  • $6.00 (周末假日全天)
地图
地图

旧金山-奥克兰海湾大桥(英语:San Francisco-Oakland Bay Bridge),当地多简称为海湾大桥(Bay Bridge),又译为湾区大桥,非正式名称为James "Sunny Jim" Rolph Bridge,又称诺顿皇帝大桥(Emperor Norton Bridge),是一座位于美国旧金山湾区,连接旧金山芳草岛英语Yerba Buena Island(Yerba Buena Island)、以及奥克兰桥梁。海湾大桥是横跨全美国的80号州际公路一部分,每天约有24万辆次车辆行经这座桥梁。[1][2]海湾大桥由Ralph Modjeski设计;1936年11月12日完工通车,比旧金山另一著名桥梁金门大桥早六个月通车。

这座桥由大致等长的两部分组成。旧的西段连接旧金山市区到耶尔巴布埃纳岛,较新的东段连接耶尔巴布埃纳岛到奥克兰。西段是双悬索桥。原来的东半段的最大横跨是一个悬臂桥英语Cantilever bridge。在1989年地震,东半段上层甲板的一部分坍塌到下层甲板,和桥梁关闭一个月。2002年,大桥东段开始改造工程,修建一个堤道连接到一个自锚式悬索桥。新大桥于2013年9月2日建成,造价超过65亿。[3]根据吉尼斯世界纪录,这是目前世界上最宽的桥梁,该桥东段最宽处为78.74米。[4]

参考文献

  1. ^ 1.0 1.1 Welcome to the Traffic Data Branch - 2012AADT link. California Department of Transportation. [September 22, 2013]. (原始内容存档于2008-03-04). 
  2. ^ 2.0 2.1 Bridge Facts San Francisco-Oakland Bay Bridge. Bay Area Toll Authority, 43.4 million toll-paid vehicles (86.8 million trips) annually. 2013 [September 14, 2013]. (原始内容存档于2013年9月21日). 
  3. ^ First Cars Cross SF-Oakland Bay Bridge's New Span. ABC News. [3 September 2013]. (原始内容存档于2013-09-06). 
  4. ^ 存档副本. [2014-03-05]. (原始内容存档于2013-12-31). 
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旧金山—奥克兰海湾大桥
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