US Bridges

Beaverhead Flat RD over Unnamed Wash

Good

Yavapai County, Arizona · 4.98MI W of JCT SR 179 · Structure no. 10730

Built
1990
35 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete Continuous
Length
44 ft
5 main spans
Daily traffic
4,069
2021 count
Owner
County
County Highway Agency

About this bridge

Beaverhead Flat RD over Unnamed Wash is a concrete continuous culvert carrying Beaverhead Flat RD over Unnamed Wash in Yavapai County, Arizona. It was built in 1990, so it is 35 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 4,069 vehicles a day, roughly 5% of them trucks, projected to reach 4,079 by 2041. The structure is 44 ft (13.4 m) long. If it were closed, the detour would be 29.2 mi (47 km).

Location

Open in Google Maps
CarriesBeaverhead Flat RD
CrossesUnnamed Wash
Location4.98MI W of JCT SR 179
RouteCounty Highway 0
CountyYavapai County
StateArizona
Coordinates34.69842, -111.8335
Functional classRural Major Collector

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 inspectionSeptember 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 alignment7: Better than present minimum criteria
Operating rating84 US tons
Inventory rating50 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans5
Design loadHS 20
Structure length44 ft (13.4 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 traffic4,069 (2021)
Projected traffic4,079 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.2 mi (47 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 Beaverhead Flat RD over Unnamed Wash built?

It was built in 1990, making it 35 years old in 2025.

What condition is Beaverhead Flat RD over Unnamed 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 September 2023.

How much traffic does Beaverhead Flat RD over Unnamed Wash carry?

About 4,069 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Beaverhead Flat RD over Unnamed Wash?

The structure is 44 ft (13.4 m) long with a longest span of 6 ft (1.8 m).

Who owns Beaverhead Flat RD over Unnamed Wash?

It is owned by the County Highway Agency.