US Bridges

Rimrock DR over Unnamed Wash

Good

Yavapai County, Arizona · 150 Ft E Montezuma Ave · Structure no. 10715

Built
1999
26 years old
Condition
Good
inspected August 2023
Type
Culvert
Concrete Continuous
Length
27 ft
3 main spans
Daily traffic
210
2021 count
Owner
County
County Highway Agency

About this bridge

Rimrock DR over Unnamed Wash is a concrete continuous culvert carrying Rimrock DR over Unnamed Wash in Yavapai County, Arizona. It was built in 1999, so it is 26 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 210 vehicles a day, roughly 1% of them trucks, projected to reach 220 by 2041. The structure is 27 ft (8.2 m) long and 37 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRimrock DR
CrossesUnnamed Wash
Location150 Ft E Montezuma Ave
RouteCounty Highway 0
StateArizona
Coordinates34.62892, -111.79536
Functional classRural 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 protection7 GoodSome minor problems.
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
Deck geometry8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating32 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span8 ft (2.4 m)
Deck width37 ft (11.3 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic210 (2021)
Projected traffic220 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 Rimrock DR over Unnamed Wash built?

It was built in 1999, making it 26 years old in 2025.

What condition is Rimrock DR 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 August 2023.

How much traffic does Rimrock DR over Unnamed Wash carry?

About 210 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is Rimrock DR over Unnamed Wash?

The structure is 27 ft (8.2 m) long with a longest span of 8 ft (2.4 m) and a deck 37 ft wide.

Who owns Rimrock DR over Unnamed Wash?

It is owned by the County Highway Agency.