US Bridges

SR 89 over Willow Creek

Good

Yavapai County, Arizona · 0.4 MI N JCT SR 89A · Structure no. 06042

Built
1954
71 years old
Condition
Good
inspected July 2021
Type
Culvert
Concrete Continuous
Length
36 ft
2 main spans
Daily traffic
17,360
2019 count
Owner
State
State Highway Agency

About this bridge

SR 89 over Willow Creek is a concrete continuous culvert carrying SR 89 over Willow Creek in Yavapai County, Arizona. It was built in 1954, so it is 71 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 17,360 vehicles a day, roughly 8% of them trucks, projected to reach 24,675 by 2040. The structure is 36 ft (11 m) long. If it were closed, the detour would be 9.9 mi (16 km).

CarriesSR 89
CrossesWillow Creek
Location0.4 MI N JCT SR 89A
RouteState Highway 89
StateArizona
Coordinates34.61542, -112.41984
Functional classUrban Minor Arterial

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 inspectionJuly 2021
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 rating89 US tons
Inventory rating50 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length36 ft (11 m)
Longest span15 ft (4.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,360 (2019)
Projected traffic24,675 by 2040
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 89 over Willow Creek built?

It was built in 1954, making it 71 years old in 2025.

What condition is SR 89 over Willow Creek 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 July 2021.

How much traffic does SR 89 over Willow Creek carry?

About 17,360 vehicles per day (2019 count), of which roughly 8% are trucks.

How long is SR 89 over Willow Creek?

The structure is 36 ft (11 m) long with a longest span of 15 ft (4.6 m).

Who owns SR 89 over Willow Creek?

It is owned by the State Highway Agency.