Hereford DR over Willow Creek

Good

Yavapai County, Arizona · 0.05 MI S of I Springs RD · Structure no. 10754

Built: 1980; 45 years old
Condition: Good; inspected July 2023
Type: Culvert; Concrete Continuous
Length: 72 ft; 6 main spans
Daily traffic: 1,645; 2021 count
Owner: County; County Highway Agency

About this bridge

Hereford DR over Willow Creek is a concrete continuous culvert carrying Hereford DR over Willow Creek in Yavapai County, Arizona. It was built in 1980, so it is 45 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 1,645 vehicles a day, roughly 1% of them trucks, projected to reach 1,655 by 2041. The structure is 72 ft (21.9 m) long and 32 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

No coordinates are recorded for this structure.

CarriesHereford DR

CrossesWillow Creek

Location0.05 MI S of I Springs RD

RouteCounty Highway 0

CountyYavapai County

StateArizona

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.

Component	Rating	Meaning
Channel and channel protection	6 Satisfactory	Structural elements show some minor deterioration.
Culvert	7 Good	Some minor problems.

Last inspectionJuly 2023

Inspection intervalevery 48 months

Operating statusOpen, no restriction

ScourFoundations stable; scour above top of footing

Structural evaluation7: Better than present minimum criteria

Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is

Waterway adequacy7: Better than present minimum criteria

Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is

Operating rating55 US tons

Inventory rating33 US tons

Structure

Structure typeCulvert

MaterialConcrete Continuous

DeckConcrete, cast-in-place

Main spans6

Design loadHS 20

Structure length72 ft (21.9 m)

Longest span10 ft (3 m)

Deck width32 ft (9.7 m)

Roadway width30 ft (9.2 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,645 (2021)

Projected traffic1,655 by 2041

Trucks1%

Lanes on structure2

Traffic directionTwo-way traffic

CarriesHighway

CrossesWaterway

Detour if closed1.2 mi (2 km)

TollOn a free road

National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency

Maintained byCounty 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 Hereford DR over Willow Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is Hereford DR 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 2023.

How much traffic does Hereford DR over Willow Creek carry?

About 1,645 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is Hereford DR over Willow Creek?

The structure is 72 ft (21.9 m) long with a longest span of 10 ft (3 m) and a deck 32 ft wide.

Who owns Hereford DR over Willow Creek?

It is owned by the County Highway Agency.