US Bridges

IRR SR 264 over Wepo Wash

Fair

Navajo County, Arizona · 4.4 MI E JCT SR 87 · Structure no. 01666

Built
1974
51 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
234 ft
3 main spans
Daily traffic
2,612
2022 count
Owner
State
State Highway Agency

About this bridge

IRR SR 264 over Wepo Wash is a prestressed concrete continuous stringer/multi-beam or girder carrying IRR SR 264 over Wepo Wash in Navajo County, Arizona. It was built in 1974, so it is 51 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 2,612 vehicles a day, roughly 9% of them trucks, projected to reach 2,622 by 2042. The structure is 234 ft (71.3 m) long and 47 ft wide. If it were closed, the detour would be 47.8 mi (77 km).

Location

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CarriesIRR SR 264
CrossesWepo Wash
Location4.4 MI E JCT SR 87
RouteState Highway 264
CountyNavajo County
StateArizona
Coordinates35.80549, -110.42129
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating87 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length234 ft (71.3 m)
Longest span78 ft (23.8 m)
Deck width47 ft (14.2 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,612 (2022)
Projected traffic2,622 by 2042
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed47.8 mi (77 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was IRR SR 264 over Wepo Wash built?

It was built in 1974, making it 51 years old in 2025.

What condition is IRR SR 264 over Wepo 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 July 2024.

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

About 2,612 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is IRR SR 264 over Wepo Wash?

The structure is 234 ft (71.3 m) long with a longest span of 78 ft (23.8 m) and a deck 47 ft wide.

Who owns IRR SR 264 over Wepo Wash?

It is owned by the State Highway Agency.