US Bridges

SR 260 over Wash

Good

Navajo County, Arizona · 2.2 MI E. JCT SR 277 · Structure no. 07118

Built
2004
21 years old
Condition
Good
inspected March 2021
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
6,564
2020 count
Owner
State
State Highway Agency

About this bridge

SR 260 over Wash is a concrete continuous culvert carrying SR 260 over Wash in Navajo County, Arizona. It was built in 2004, so it is 21 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 6,564 vehicles a day, roughly 12% of them trucks, projected to reach 6,574 by 2040. The structure is 25 ft (7.6 m) long and 110 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesSR 260
CrossesWash
Location2.2 MI E. JCT SR 277
RouteState Highway 260
CountyNavajo County
StateArizona
Coordinates34.3905, -110.5524
Functional classRural Principal Arterial - Other

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.
Culvert8 Very GoodNo problems noted.
Last inspectionMarch 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span10 ft (3 m)
Deck width110 ft (33.5 m)
Roadway width108 ft (32.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,564 (2020)
Projected traffic6,574 by 2040
Trucks12%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 260 over Wash built?

It was built in 2004, making it 21 years old in 2025.

What condition is SR 260 over 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 March 2021.

How much traffic does SR 260 over Wash carry?

About 6,564 vehicles per day (2020 count), of which roughly 12% are trucks.

How long is SR 260 over Wash?

The structure is 25 ft (7.6 m) long with a longest span of 10 ft (3 m) and a deck 110 ft wide.

Who owns SR 260 over Wash?

It is owned by the State Highway Agency.