IRR Allentown Road over I 40


+35.29000, -109.15667
35°17'24" N, 109°09'24" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:IRR Allentown Road over I 40
Structure number:00956
Location:11.9 mi E Jct US 191
Purpose:Carries highway over highway
Route classification:Local (Rural) [09]
Length of largest span:79.1 ft. [24.1 m]
Total length:250.0 ft. [76.2 m]
Roadway width between curbs:29.9 ft. [9.1 m]
Deck width edge-to-edge:33.1 ft. [10.1 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Owner:State Highway Agency [01]
Year built:1967
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:4
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 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:1,000 [as of 2016]
Truck traffic:2% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Equal to present minimum criteria [6]
Underclearances appraisal:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:59.8 tons [54.4 metric tons]
Inventory rating:36.0 tons [32.7 metric tons]
Sufficiency rating:81.7

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
July 201681.7FairFairGoodFair-1000
October 201488.5FairFairGoodSatisfactoryFO1000
August 201290.8FairFairGoodSatisfactoryFO1000
October 201090.8FairFairGoodSatisfactoryFO1000
June 200890.8FairFairGoodSatisfactoryFO1000
October 200690.8FairFairGoodGoodFO1000
September 200492.3FairSatisfactoryGoodGoodFO1000
June 200292.3FairSatisfactoryGoodGoodFO1000
August 200092.3FairSatisfactoryGoodGoodFO1000
October 199792.3FairSatisfactoryGoodGoodFO1000
September 199592.3FairSatisfactoryGoodVery GoodFO1000
September 199487.5GoodGoodGoodVery GoodFO1000
September 199184.5GoodGoodVery GoodVery GoodFO1000