Image: Navajo Bridge (May 2006)
Description: 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 Two panel composite image with third image of bridge shadow by en:User:Leonard G.
Title: Navajo Bridge (May 2006)
Credit: Image: uploaded by author; text information: placards at viewpoint
Author: User Leonard G. on en.wikipedia
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