US Bridges

IRR SR 260 over Sheep Springs

Fair

Apache County, Arizona · 4.3 MI W SR 373 · Structure no. 04352

Built
1955
70 years old
Condition
Fair
inspected October 2022
Type
Culvert
Concrete Continuous
Length
32 ft
3 main spans
Daily traffic
1,151
2021 count
Owner
State
State Highway Agency

About this bridge

IRR SR 260 over Sheep Springs is a concrete continuous culvert carrying IRR SR 260 over Sheep Springs in Apache County, Arizona. It was built in 1955, so it is 70 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 1,151 vehicles a day, roughly 7% of them trucks, projected to reach 1,161 by 2041. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 29.8 mi (48 km).

Location

Open in Google Maps
CarriesIRR SR 260
CrossesSheep Springs
Location4.3 MI W SR 373
RouteState Highway 260
CountyApache County
StateArizona
Coordinates34.05041, -109.53988
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 traffic1,151 (2021)
Projected traffic1,161 by 2041
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 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 260 over Sheep Springs built?

It was built in 1955, making it 70 years old in 2025.

What condition is IRR SR 260 over Sheep Springs 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 October 2022.

How much traffic does IRR SR 260 over Sheep Springs carry?

About 1,151 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is IRR SR 260 over Sheep Springs?

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

Who owns IRR SR 260 over Sheep Springs?

It is owned by the State Highway Agency.