US Bridges

IRR US 191 over Cottonwood Wash

Fair

Apache County, Arizona · 31.6 MI N JCT SR 264 · Structure no. 01002

Built
1964
61 years old
Condition
Fair
inspected September 2024
Type
Channel Beam
Concrete
Length
33 ft
1 main span
Daily traffic
4,367
2022 count
Owner
State
State Highway Agency

About this bridge

IRR US 191 over Cottonwood Wash is a concrete channel beam carrying IRR US 191 over Cottonwood 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 5 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 4,367 vehicles a day, roughly 13% of them trucks, projected to reach 4,377 by 2042. The structure is 33 ft (10.1 m) long and 30 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesIRR US 191
CrossesCottonwood Wash
Location31.6 MI N JCT SR 264
RouteU.S. Route 191
CountyApache County
StateArizona
Coordinates36.11314, -109.63691
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating61.9 US tons
Inventory rating37 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length33 ft (10.1 m)
Longest span33 ft (10.1 m)
Deck width30 ft (9.1 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,367 (2022)
Projected traffic4,377 by 2042
Trucks13%
Lanes on structure3
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$1,000 (2018 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was IRR US 191 over Cottonwood Wash built?

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

What condition is IRR US 191 over Cottonwood 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 Cottonwood Wash carry?

About 4,367 vehicles per day (2022 count), of which roughly 13% are trucks.

How long is IRR US 191 over Cottonwood Wash?

The structure is 33 ft (10.1 m) long with a longest span of 33 ft (10.1 m) and a deck 30 ft wide.

Who owns IRR US 191 over Cottonwood Wash?

It is owned by the State Highway Agency.