納瓦霍橋

納瓦霍橋(Navajo Bridge)是指位於美國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橋[1]。1929年,一座橋率先竣工,當時名為大峽谷橋(Grand Canyon Bridge)。1934年,州議會決定將該橋更名為納瓦霍橋。 1995年新橋開通後,原橋禁止車輛通行,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
座標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英語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
業主Arizona Department of Transportation英語Arizona Department of Transportation (ADOT)
維護單位ADOT
保護狀況國家史蹟名錄(僅舊橋)
編號英語National Bridge InventoryAZ00051 舊橋
AZ02340 新橋
上游橋樑Glen Canyon Dam Bridge英語Glen Canyon Dam Bridge
下游橋樑胡佛水壩
設計參數
橋型拱橋
建築材料
全長834英尺(254米) 舊橋
909英尺(277米) 新橋[1]
闊度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)
橋墩數0
負載限制22.5短噸(20.4公噸) 舊橋
橋下淨空467英尺(142米) 舊橋
470英尺(140米) 新橋[1]
歷史
開工日1927年6月 (舊橋)
1993年5月 (新橋)[1]
完工日1929 (舊橋)
1995 (新橋)[1]
開通日1929年1月12日 (舊橋)
1995年5月2日 (新橋)[1]
統計
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
坐標36°49′2″N 111°37′53″W / 36.81722°N 111.63139°W / 36.81722; -111.63139
建於1929
建築師Arizona Department of Transportation英語Arizona Department of Transportation
MPSVehicular Bridges in Arizona MPS
NRHP編號81000134[2]
NRHP收錄1981年8月13日
地圖
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參考文獻

  1. ^ 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 Navajo Bridge. nps.gov. 美國國家公園管理局. [May 18, 2020]. (原始內容存檔於2023-06-14). 
  2. ^ National Register Information System. National Register of Historic Places. National Park Service. 2010-07-09.