US Bridges

US 93 NB over Cottonwood Canyon

Good

Yavapai County, Arizona · 2.6 MI S JCT SR 97 · Structure no. 02655

Built
2007
18 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
384 ft
3 main spans
Daily traffic
3,346
2021 count
Owner
State
State Highway Agency

About this bridge

US 93 NB over Cottonwood Canyon is a prestressed concrete continuous stringer/multi-beam or girder carrying US 93 NB over Cottonwood Canyon in Yavapai County, Arizona. It was built in 2007, so it is 18 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 3,346 vehicles a day, roughly 15% of them trucks, projected to reach 3,356 by 2041. The structure is 384 ft (117 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 93 NB
CrossesCottonwood Canyon
Location2.6 MI S JCT SR 97
RouteU.S. Route 93
StateArizona
Coordinates34.4028, -113.2205
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 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 rating99 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length384 ft (117 m)
Longest span126 ft (38.4 m)
Deck width45 ft (13.8 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,346 (2021)
Projected traffic3,356 by 2041
Trucks15%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 US 93 NB over Cottonwood Canyon built?

It was built in 2007, making it 18 years old in 2025.

What condition is US 93 NB over Cottonwood 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 December 2024.

How much traffic does US 93 NB over Cottonwood Canyon carry?

About 3,346 vehicles per day (2021 count), of which roughly 15% are trucks.

How long is US 93 NB over Cottonwood Canyon?

The structure is 384 ft (117 m) long with a longest span of 126 ft (38.4 m) and a deck 45 ft wide.

Who owns US 93 NB over Cottonwood Canyon?

It is owned by the State Highway Agency.