US Bridges

Viejo DR over Oak Wash

Fair

Yavapai County, Arizona · 0.2 MI S of Fir ST · Structure no. 10794

Built
1980
45 years old
Condition
Fair
inspected August 2023
Type
Culvert
Steel
Length
38 ft
4 main spans
Daily traffic
85
2021 count
Owner
County
County Highway Agency

About this bridge

Viejo DR over Oak Wash is a steel culvert carrying Viejo 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 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 85 vehicles a day, projected to reach 95 by 2041. The structure is 38 ft (11.6 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesViejo DR
CrossesOak Wash
Location0.2 MI S of Fir ST
RouteCounty Highway 0
CountyYavapai County
StateArizona
Coordinates34.71531, -112.02664
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 length38 ft (11.6 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 traffic85 (2021)
Projected traffic95 by 2041
Trucks0%
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 Viejo DR over Oak Wash built?

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

What condition is Viejo DR over Oak Wash 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 August 2023.

How much traffic does Viejo DR over Oak Wash carry?

About 85 vehicles per day (2021 count).

How long is Viejo DR over Oak Wash?

The structure is 38 ft (11.6 m) long with a longest span of 6 ft (1.8 m).

Who owns Viejo DR over Oak Wash?

It is owned by the County Highway Agency.