US Bridges

Harquahala RD over Salome Wash

Good

La Paz County, Arizona · 1 Mile S US 60 · Structure no. 10301

Built
2001
24 years old
Condition
Good
inspected January 2022
Type
Culvert
Concrete Continuous
Length
133 ft
10 main spans
Daily traffic
1,576
2022 count
Owner
County
County Highway Agency

About this bridge

Harquahala RD over Salome Wash is a concrete continuous culvert carrying Harquahala RD over Salome Wash in La Paz County, Arizona. It was built in 2001, so it is 24 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,576 vehicles a day, roughly 5% of them trucks, projected to reach 1,586 by 2042. The structure is 133 ft (40.5 m) long and 40 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesHarquahala RD
CrossesSalome Wash
Location1 Mile S US 60
RouteCounty Highway 0
StateArizona
Coordinates33.7677, -113.6103
Functional classRural Minor 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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert8 Very GoodNo problems noted.
Last inspectionJanuary 2022
Inspection intervalevery 48 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58 US tons
Inventory rating35.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans10
Design loadHS 20
Structure length133 ft (40.5 m)
Longest span10 ft (3 m)
Deck width40 ft (12.2 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,576 (2022)
Projected traffic1,586 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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 Harquahala RD over Salome Wash built?

It was built in 2001, making it 24 years old in 2025.

What condition is Harquahala RD over Salome 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 January 2022.

How much traffic does Harquahala RD over Salome Wash carry?

About 1,576 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Harquahala RD over Salome Wash?

The structure is 133 ft (40.5 m) long with a longest span of 10 ft (3 m) and a deck 40 ft wide.

Who owns Harquahala RD over Salome Wash?

It is owned by the County Highway Agency.