Rating:
1 vote

Alchesay Canyon Bridge

Photos 

Side view

(Shadow self-portrait of me in foreground.)

Photo taken by Roger Deschner in March 2015

License: Creative Commons Attribution-Share-Alike (CC BY-SA)

Enlarge

BH Photo #321136

Map 

Street View 

Description 

This 1905 closed-spandrel concrete arch was built on a very tight hairpin curve. In 1990, the hairpin curve was straightened somewhat by bypassing the historic bridge with a new concrete culvert. It remains intact and in place, open to pedestrians.

Facts 

Overview
Concrete arch bridge over Alchesay Canyon on AZ 88
Location
Maricopa County, Arizona
Status
Open to pedestrians only
History
Built 1905; traffic rerouted to new bridge 1990
Design
Closed-spandrel arch
Dimensions
Length of largest span: 17.7 ft.
Total length: 22.0 ft.
Deck width: 18.4 ft.
Recognition
Posted to the National Register of Historic Places on September 30, 1988
Approximate latitude, longitude
+33.66800, -111.15911   (decimal degrees)
33°40'05" N, 111°09'33" W   (degrees°minutes'seconds")
Approximate UTM coordinates
12/485249/3725356 (zone/easting/northing)
Quadrangle map:
Theodore Roosevelt Dam
Inventory numbers
NRHP 88001615 (National Register of Historic Places reference number)
AZ 1532 (Arizona bridge number)
BH 10738 (Bridgehunter.com ID)
Inspection (as of 03/2006)
Deck condition rating: Satisfactory (6 out of 9)
Superstructure condition rating: Satisfactory (6 out of 9)
Substructure condition rating: Satisfactory (6 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 34.0 (out of 100)

Update Log 

  • April 5, 2015: Updated by Roger Deschner: Added photos; bridge is open to pedestrians
  • April 18, 2010: New Street View added by Kim Harvey

Sources 

  • Kim Harvey
  • Roger Deschner - rogerdeschner [at] gmail [dot] com