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

Map Links

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
Average daily traffic (as of 2008): 432
Inventory numbers: NRHP 88001615 (National Register of Historic Places reference number)
AZ 1532 (Arizona bridge number)
BH 10738 (Bridgehunter.com ID)
Inspection report (as of February 2010): Overall condition: Fair
Superstructure condition rating: Satisfactory (6 out of 9)
Substructure condition rating: Fair (5 out of 9)
Deck condition rating: Satisfactory (6 out of 9)
Sufficiency rating: 31.9 (out of 100)
View more at BridgeReports.com

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