US 191 over Little Colorado River


+34.50500, -109.36000
34°30'18" N, 109°21'36" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US 191 over Little Colorado River
Structure number:01813
Location:0.1 mi E Jct US 180
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:35.1 ft. [10.7 m]
Total length:141.1 ft. [43.0 m]
Roadway width between curbs:44.6 ft. [13.6 m]
Deck width edge-to-edge:52.5 ft. [16.0 m]
Skew angle:20°
Owner:State Highway Agency [01]
Year built:1977
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:Prestressed concrete [5]
Main spans design:Box beam or girders - Multiple [05]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: December 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:1,120 [as of 2015]
Truck traffic:9% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Superior to present desirable criteria [9]
Water adequacy appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank protection is being eroded. River control devices and/or embankment have major damage. Trees and rush restrict the channel. [5]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:65.9 tons [59.9 metric tons]
Inventory rating:36.0 tons [32.7 metric tons]
Sufficiency rating:94.6

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
December 201694.6FairGoodSatisfactorySatisfactory-1120
December 201481.6FairSatisfactorySatisfactorySatisfactory-1800
December 201281.6FairSatisfactorySatisfactorySatisfactory-1800
December 201086.1FairSatisfactoryGoodGood-1200
December 200883.1FairSatisfactoryGoodGood-1600
October 200685.3GoodGoodGoodGood-1300
October 200486.9GoodGoodVery GoodGood-1084
October 200286.6GoodGoodVery GoodVery Good-1131
June 200084.5FairSatisfactoryVery GoodVery Good-1407
August 199784.6GoodGoodVery GoodVery Good-1400
September 199484.6GoodGoodGoodVery Good-1400
May 199281.9FairSatisfactoryGoodVery Good-1500
September 199080.0GoodGoodVery GoodVery Good-2300

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Prestressed Concrete Closed Web/Box Girderlinear ft.1,8271,822320
Reinforced Concrete Columneach1515000
Reinforced Concrete Abutmentlinear ft.112112000
Reinforced Concrete Pier Caplinear ft.167167000
Open Jointlinear ft.246024600
Other Bearingeach104104000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.282279030
Reinforced Concrete Slabsq. ft.7,4037,403000
Wearing Surfacessq. ft.7,40307,40030