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IRR US 70; over Gila River @ Bylas

This bridge is no longer in the current National Bridge Inventory database, and has likely been demolished or abandoned.

Map

Coordinates:
+33.18333, -110.15000
33°10'60" N, 110°09'00" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:IRR US 70; over Gila River @ Bylas
Structure number:00498
Location:21.5 mi E Jct SR 170
Purpose:Carries highway over waterway
Route classification:Minor Arterial (Rural) [06]
Length of largest span:79.7 ft. [24.3 m]
Total length:1828.8 ft. [557.4 m]
Roadway width between curbs:30.2 ft. [9.2 m]
Deck width edge-to-edge:35.1 ft. [10.7 m]
Skew angle:45°
Owner:State Highway Agency [01]
Year built:1957
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Number of main spans:23
Main spans material:Steel continuous [4]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: July 2009

Good/Fair/Poor Condition:Poor
Status:Open, no restriction [A]
Average daily traffic:3,200 [as of 2008]
Truck traffic:9% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Serious [3 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Basically intolerable requiring high priority of corrrective action [3]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank and embankment protection is severely undermined. River control devices have severe damage. Large deposits of debris are in the channel. [4]
Scour condition:Bridge is scour critical; bridge foundations determined to be unstable. [3]
Sufficiency rating:22.2
Recommended work:Widening of existing bridge with deck rehabilitation or replacement. [34]
Estimated cost of work:$5,854,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
July 2009PoorFairSeriousSatisfactory320022.2
October 1999FairSatisfactorySatisfactorySatisfactory223369.3
November 1991FairGoodSatisfactoryGood300063.0