US Bridges

Durham RD over Clipper Wash

Good

Yavapai County, Arizona · 200 Ft S JCT Manzanita TR · Structure no. 10775

Built
1973
52 years old
Condition
Good
inspected July 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
79 ft
2 main spans
Daily traffic
310
2021 count
Owner
County
County Highway Agency

About this bridge

Durham RD over Clipper Wash is a prestressed concrete box beam or girders - multiple carrying Durham RD over Clipper Wash in Yavapai County, Arizona. It was built in 1973, so it is 52 years old, older 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 310 vehicles a day, roughly 5% of them trucks, projected to reach 320 by 2041. The structure is 79 ft (24.1 m) long and 32 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesDurham RD
CrossesClipper Wash
Location200 Ft S JCT Manzanita TR
RouteCounty Highway 0
StateArizona
Coordinates34.5585, -112.2798
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating61 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length79 ft (24.1 m)
Longest span39 ft (11.9 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic310 (2021)
Projected traffic320 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 Durham RD over Clipper Wash built?

It was built in 1973, making it 52 years old in 2025.

What condition is Durham RD over Clipper 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 July 2023.

How much traffic does Durham RD over Clipper Wash carry?

About 310 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Durham RD over Clipper Wash?

The structure is 79 ft (24.1 m) long with a longest span of 39 ft (11.9 m) and a deck 32 ft wide.

Who owns Durham RD over Clipper Wash?

It is owned by the County Highway Agency.