US Bridges

SR 260 over Wilbur Canyon

Good

Yavapai County, Arizona · 8.1 MI NW JCT I-17 · Structure no. 02570

Built
2009
16 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
603 ft
5 main spans
Daily traffic
8,034
2022 count
Owner
State
State Highway Agency

About this bridge

SR 260 over Wilbur Canyon is a prestressed concrete continuous stringer/multi-beam or girder carrying SR 260 over Wilbur Canyon in Yavapai County, Arizona. It was built in 2009, so it is 16 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 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 8,034 vehicles a day, roughly 8% of them trucks, projected to reach 8,044 by 2042. The structure is 603 ft (183.8 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesSR 260
CrossesWilbur Canyon
Location8.1 MI NW JCT I-17
RouteState Highway 260
CountyYavapai County
StateArizona
Coordinates34.6703, -111.9685
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating93 US tons
Inventory rating50 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length603 ft (183.8 m)
Longest span120 ft (36.6 m)
Deck width45 ft (13.7 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,034 (2022)
Projected traffic8,044 by 2042
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 SR 260 over Wilbur Canyon built?

It was built in 2009, making it 16 years old in 2025.

What condition is SR 260 over Wilbur Canyon 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 August 2024.

How much traffic does SR 260 over Wilbur Canyon carry?

About 8,034 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is SR 260 over Wilbur Canyon?

The structure is 603 ft (183.8 m) long with a longest span of 120 ft (36.6 m) and a deck 45 ft wide.

Who owns SR 260 over Wilbur Canyon?

It is owned by the State Highway Agency.