US Bridges

SR 260 over Buckskin Canyon

Fair

Navajo County, Arizona · 1.5 MI W JCT SR 277 · Structure no. 02400

Built
1995
30 years old
Condition
Fair
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
63 ft
1 main span
Daily traffic
10,431
2022 count
Owner
State
State Highway Agency

About this bridge

SR 260 over Buckskin Canyon is a prestressed concrete box beam or girders - multiple carrying SR 260 over Buckskin Canyon in Navajo County, Arizona. It was built in 1995, so it is 30 years old, younger 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 10,431 vehicles a day, roughly 10% of them trucks, projected to reach 10,441 by 2042. The structure is 63 ft (19.2 m) long and 81 ft wide. If it were closed, the detour would be 75.2 mi (121 km).

Location

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CarriesSR 260
CrossesBuckskin Canyon
Location1.5 MI W JCT SR 277
RouteState Highway 260
CountyNavajo County
StateArizona
Coordinates34.4311, -110.59455
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88 US tons
Inventory rating47 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length63 ft (19.2 m)
Longest span60 ft (18.3 m)
Deck width81 ft (24.7 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,431 (2022)
Projected traffic10,441 by 2042
Trucks10%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed75.2 mi (121 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 260 over Buckskin Canyon built?

It was built in 1995, making it 30 years old in 2025.

What condition is SR 260 over Buckskin Canyon 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 2024.

How much traffic does SR 260 over Buckskin Canyon carry?

About 10,431 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is SR 260 over Buckskin Canyon?

The structure is 63 ft (19.2 m) long with a longest span of 60 ft (18.3 m) and a deck 81 ft wide.

Who owns SR 260 over Buckskin Canyon?

It is owned by the State Highway Agency.