US Bridges

Willow Creek Road over Desert Wash

Good

Yavapai County, Arizona · 0.46 MI S. Pioneer Pkwy · Structure no. 09471

Built
1963
62 years old, rebuilt 2002
Condition
Good
inspected August 2023
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
8,222
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

Willow Creek Road over Desert Wash is a concrete continuous culvert carrying Willow Creek Road over Desert Wash in Yavapai County, Arizona. It was built in 1963 and reconstructed in 2002, so it is 62 years old, older 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 8,222 vehicles a day, roughly 3% of them trucks, projected to reach 8,232 by 2039. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesWillow Creek Road
CrossesDesert Wash
Location0.46 MI S. Pioneer Pkwy
RouteCounty Highway 0
StateArizona
Coordinates34.6229, -112.4419
Functional classUrban Local

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating88 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,222 (2019)
Projected traffic8,232 by 2039
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Willow Creek Road over Desert Wash built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 2002.

What condition is Willow Creek Road over Desert 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 August 2023.

How much traffic does Willow Creek Road over Desert Wash carry?

About 8,222 vehicles per day (2019 count), of which roughly 3% are trucks.

How long is Willow Creek Road over Desert Wash?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m).

Who owns Willow Creek Road over Desert Wash?

It is owned by the City or Municipal Highway Agency.