Originalfil(3 000 × 1 790 pixlar, filstorlek: 2,42 Mbyte, MIME-typ: image/jpeg)

Sammanfattning

This is an image of a place or building that is listed on the National Register of Historic Places in the United States of America. Its reference number is 81000134.

Beskrivning
English:
The 1929 Navajo Bridge at left, and the 1995 Navajo Bridge at right.
  • These bridges cross the Colorado River at Marble Canyon. The Echo Cliffs are in the backround, to the east.
  • The original bridge was the highest in the world at the time, replacing the Lee's Ferry crossing on the river. It was the only bridge crossing the Colorado River for over 600 miles. Despite the sparsely populated region, over 5,000 people attended the dedication.
Original Bridge, at left
  • Dedicated: June 14-15, 1929
  • Construction cost: $390 thousand
  • Total length: 834 ft (254 m)
  • Steel arch length: 616 ft (188 m)
  • Arch rise: 90 ft (27.4 m)
  • Height above river: 467 ft (142 m)
  • Width of the roadway: 18 ft (5.5 m)
  • Amount of steel: 2.4 million lbs (1,089,000 kg)
  • Amount of concrete: 500 cu yds (385 m3
  • Amount of steel reinforcement: 8,200 lbs (3,700 kg)
New Bridge, at right
  • The main pin was set October 14, 1994, after seven months of construction.
  • Construction cost $14.7 million
  • Total length: 909 ft (277 m)
  • Steel arch length: 726 ft (221 m)
  • Arch rise 90: ft (27.4 m)
  • Height above river: 470 ft (143 m)
  • Width of the roadway: 44 ft (13.4 m)
  • Amount of steel: 2.4 million lbs (1,089,000 kg)
  • Amount of concrete: 1,790 cu yds (1370 m3
  • Amount of steel reinforcement: 3.9 million lbs (1,769,000 kg)
Credits
Datum 27 maj 2006 (ursprungligt uppladdningsdatum)
Källa Image: uploaded by author; text information: placards at viewpoint
Skapare User Leonard G. on en.wikipedia
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Notes
InfoField
Originally from en.wikipedia; description page is (was) here
* 15:20, 27 May 2006 [[:en:User:Leonard G.|Leonard G.]] 3000×1790 (2,142,664 bytes) <span class="comment">(1929 Navaho bridge at left, the highest in the world at the time. These bridges join the distant cities of Flagstaff and Fredonia, replacing [[:en:Lee's Ferry]]. This was the only bridge crossing in over 600 miles of river Despite a sparsely populated region, )</span>
Objektposition36° 49′ 05″ N, 111° 37′ 52″ V Kartographer map based on OpenStreetMap.Se denna och andra närliggande bilder på: OpenStreetMapinfo

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36°49'5.002"N, 111°37'52.000"W

2 538 340 byte

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nuvarande22 november 2010 kl. 14.19Miniatyrbild för versionen från den 22 november 2010 kl. 14.193 000 × 1 790 (2,42 Mbyte)Citypeekwhite balance
19 juli 2006 kl. 13.27Miniatyrbild för versionen från den 19 juli 2006 kl. 13.273 000 × 1 790 (2,04 Mbyte)Liftarn{{Information| |Description= 1929 Navaho bridge at left, the highest in the world at the time. These bridges join the distant citys of Flagstaff and Fredonia, replacing en:Lee's Ferry. This was the only bridge crossing in over 600 miles of river Desp

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