US Bridges

Navajo DR over Oak Wash

Good

Yavapai County, Arizona · 0.1 MI N /Rancho Vista Wy · Structure no. 10747

Built
1980
45 years old
Condition
Good
inspected August 2023
Type
Culvert
Steel
Length
27 ft
4 main spans
Daily traffic
220
2021 count
Owner
County
County Highway Agency

About this bridge

Navajo DR over Oak Wash is a steel culvert carrying Navajo DR over Oak Wash 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 220 vehicles a day, roughly 1% of them trucks, projected to reach 230 by 2041. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNavajo DR
CrossesOak Wash
Location0.1 MI N /Rancho Vista Wy
RouteCounty Highway 0
StateArizona
Coordinates34.71544, -112.02858
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 adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating71 US tons
Inventory rating41 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans4
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span6 ft (1.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic220 (2021)
Projected traffic230 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 Navajo DR over Oak Wash built?

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

What condition is Navajo DR over Oak 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 Navajo DR over Oak Wash carry?

About 220 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is Navajo DR over Oak Wash?

The structure is 27 ft (8.2 m) long with a longest span of 6 ft (1.8 m).

Who owns Navajo DR over Oak Wash?

It is owned by the County Highway Agency.