US Bridges

IRR US 191 over Chinle Wash

Fair

Apache County, Arizona · 40.3 MI S JCT US 160 · Structure no. 01003

Built
1964
61 years old
Condition
Fair
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
658 ft
13 main spans
Daily traffic
1,504
2022 count
Owner
State
State Highway Agency

About this bridge

IRR US 191 over Chinle Wash is a prestressed concrete box beam or girders - multiple carrying IRR US 191 over Chinle Wash in Apache County, Arizona. It was built in 1964, so it is 61 years old, older than the Arizona average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,504 vehicles a day, roughly 12% of them trucks, projected to reach 1,514 by 2042. The structure is 658 ft (200.6 m) long and 28 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesIRR US 191
CrossesChinle Wash
Location40.3 MI S JCT US 160
RouteU.S. Route 191
CountyApache County
StateArizona
Coordinates36.46482, -109.59261
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89.9 US tons
Inventory rating49.1 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans13
Design loadHS 20
Structure length658 ft (200.6 m)
Longest span50 ft (15.2 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,504 (2022)
Projected traffic1,514 by 2042
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2,000 (2018 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was IRR US 191 over Chinle Wash built?

It was built in 1964, making it 61 years old in 2025.

What condition is IRR US 191 over Chinle Wash in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2024.

How much traffic does IRR US 191 over Chinle Wash carry?

About 1,504 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is IRR US 191 over Chinle Wash?

The structure is 658 ft (200.6 m) long with a longest span of 50 ft (15.2 m) and a deck 28 ft wide.

Who owns IRR US 191 over Chinle Wash?

It is owned by the State Highway Agency.