納瓦霍橋

纳瓦霍桥(Navajo Bridge)是指位於美国亞利桑那州可可尼諾縣北部大峽谷國家公園內橫跨科羅拉多河的兩座拱桥[1]。1929年,一座橋率先竣工,當時名為大峡谷桥(Grand Canyon Bridge)。1934年,州议会決定將該橋更名为纳瓦霍桥。 1995年新橋开通后,原桥禁止车辆通行,只允許行人和馬匹通過。 [1]

納瓦霍橋
左邊是1929年建成的舊橋,右邊是1995年建成的新橋,攝於2006年5月
坐标36°49′04″N 111°37′54″W / 36.81778°N 111.63167°W / 36.81778; -111.63167
承載 89A號美國國道
跨越科羅拉多河
地點Lee's Ferry英语Lee's Ferry
官方名稱Navajo Steel Arch Highway Bridge
其他名稱Grand Canyon Bridge 1st (起初)
Colorado River Bridge 2nd
命名自納瓦霍人
业主Arizona Department of Transportation英语Arizona Department of Transportation (ADOT)
维护单位ADOT
保護狀況國家史蹟名錄(僅舊橋)
编号英语National Bridge InventoryAZ00051 舊橋
AZ02340 新橋
上游桥梁Glen Canyon Dam Bridge英语Glen Canyon Dam Bridge
下游桥梁胡佛水壩
设计参数
桥型拱桥
建筑材料
全长834英尺(254米) 舊橋
909英尺(277米) 新橋[1]
宽度18英尺(5.5米) 舊橋
44英尺(13米) 新橋[1]
最大跨度616英尺(188米) 舊橋
726英尺(221米) 新橋[1]
跨數1 (每座橋)
橋墩数0
负载限制22.5短噸(20.4公噸) 舊橋
桥下净空467英尺(142米) 舊橋
470英尺(140米) 新橋[1]
历史
开工日1927年6月 (舊橋)
1993年5月 (新橋)[1]
完工日1929 (舊橋)
1995 (新橋)[1]
开通日1929年1月12日 (舊橋)
1995年5月2日 (新橋)[1]
统计
日交通量
Navajo Steel Arch Highway Bridge
The 1929, 國家史蹟名錄 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
地圖
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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.