US Bridges

US 93 SB over Cottonwood Canyon

Fair

Yavapai County, Arizona · 2.7 MI S JCT SR 97 · Structure no. 02817

Built
2006
19 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
384 ft
3 main spans
Daily traffic
3,748
2021 count
Owner
State
State Highway Agency

About this bridge

US 93 SB over Cottonwood Canyon is a prestressed concrete continuous stringer/multi-beam or girder carrying US 93 SB over Cottonwood Canyon in Yavapai County, Arizona. It was built in 2006, so it is 19 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 3,748 vehicles a day, roughly 15% of them trucks, projected to reach 3,758 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 SB
CrossesCottonwood Canyon
Location2.7 MI S JCT SR 97
RouteU.S. Route 93
StateArizona
Coordinates34.4028, -113.2206
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 traffic3,748 (2021)
Projected traffic3,758 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 SB over Cottonwood Canyon built?

It was built in 2006, making it 19 years old in 2025.

What condition is US 93 SB over Cottonwood 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 December 2024.

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

About 3,748 vehicles per day (2021 count), of which roughly 15% are trucks.

How long is US 93 SB 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 SB over Cottonwood Canyon?

It is owned by the State Highway Agency.