纳瓦霍桥

纳瓦霍桥(Navajo Bridge)是指位于美国亚利桑那州可可尼诺县北部大峡谷国家公园内横跨科罗拉多河的两座拱桥[1]。1929年,一座桥率先竣工,当时名为大峡谷桥(Grand Canyon Bridge)。1934年,州议会决定将该桥更名为纳瓦霍桥。 1995年新桥开通后,原桥禁止车辆通行,只允许行人和马匹通过。 [1]

纳瓦霍桥
左边是1929年建成的旧桥,右边是1995年建成的新桥,摄于2006年5月
坐标36°49′04″N 111°37′54″W / 36.81778°N 111.63167°W / 36.81778; -111.63167
承载 89A号美国国道
跨越科罗拉多河
地点Lee's Ferry英语Lee's Ferry
官方名称Navajo Steel Arch Highway Bridge
其他名称Grand Canyon Bridge 1st (起初)
Colorado River Bridge 2nd
命名自纳瓦霍人
业主Arizona Department of Transportation英语Arizona Department of Transportation (ADOT)
维护单位ADOT
保护状况国家史迹名录(仅旧桥)
编号英语National Bridge InventoryAZ00051 旧桥
AZ02340 新桥
上游桥梁Glen Canyon Dam Bridge英语Glen Canyon Dam Bridge
下游桥梁胡佛水坝
设计参数
桥型拱桥
建筑材料
全长834英尺(254米) 旧桥
909英尺(277米) 新桥[1]
宽度18英尺(5.5米) 旧桥
44英尺(13米) 新桥[1]
最大跨度616英尺(188米) 旧桥
726英尺(221米) 新桥[1]
跨数1 (每座桥)
桥墩数0
负载限制22.5短吨(20.4公吨) 旧桥
桥下净空467英尺(142米) 旧桥
470英尺(140米) 新桥[1]
历史
开工日1927年6月 (旧桥)
1993年5月 (新桥)[1]
完工日1929 (旧桥)
1995 (新桥)[1]
开通日1929年1月12日 (旧桥)
1995年5月2日 (新桥)[1]
统计
日交通量
Navajo Steel Arch Highway Bridge
The 1929, 国家史迹名录 listed bridge, October 2018
最近城市佩吉
坐标36°49′2″N 111°37′53″W / 36.81722°N 111.63139°W / 36.81722; -111.63139
建于1929
建筑师Arizona Department of Transportation英语Arizona Department of Transportation
MPSVehicular Bridges in Arizona MPS
NRHP编号81000134[2]
NRHP收录1981年8月13日
地图
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参考文献

  1. ^ 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 Navajo Bridge. nps.gov. 美国国家公园管理局. [May 18, 2020]. (原始内容存档于2023-06-14). 
  2. ^ National Register Information System. National Register of Historic Places. National Park Service. 2010-07-09.