US Bridges

IRR SR 264 over Little Wepo Wash

Good

Navajo County, Arizona · 3.7 MI E JCT SR 87 · Structure no. 05103

Built
1963
62 years old, rebuilt 1974
Condition
Good
inspected July 2022
Type
Culvert
Concrete Continuous
Length
32 ft
3 main spans
Daily traffic
2,693
2021 count
Owner
State
State Highway Agency

About this bridge

IRR SR 264 over Little Wepo Wash is a concrete continuous culvert carrying IRR SR 264 over Little Wepo Wash in Navajo County, Arizona. It was built in 1963 and reconstructed in 1974, so it is 62 years old, older than the Arizona average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,693 vehicles a day, roughly 7% of them trucks, projected to reach 2,703 by 2041. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 98.8 mi (159 km).

CarriesIRR SR 264
CrossesLittle Wepo Wash
Location3.7 MI E JCT SR 87
RouteState Highway 264
StateArizona
Coordinates35.8032, -110.4323
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating99 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,693 (2021)
Projected traffic2,703 by 2041
Trucks7%
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was IRR SR 264 over Little Wepo Wash built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 1974.

What condition is IRR SR 264 over Little Wepo Wash in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2022.

How much traffic does IRR SR 264 over Little Wepo Wash carry?

About 2,693 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is IRR SR 264 over Little Wepo Wash?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m).

Who owns IRR SR 264 over Little Wepo Wash?

It is owned by the State Highway Agency.