US Bridges

Salome Road over Centennial Wash

Good

La Paz County, Arizona · 2 MI SE of US 60 · Structure no. 10374

Built
2001
24 years old
Condition
Good
inspected January 2022
Type
Culvert
Concrete Continuous
Length
66 ft
5 main spans
Daily traffic
1,073
2022 count
Owner
County
County Highway Agency

About this bridge

Salome Road over Centennial Wash is a concrete continuous culvert carrying Salome Road over Centennial 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 1,073 vehicles a day, roughly 2% of them trucks, projected to reach 1,083 by 2042. The structure is 66 ft (20.1 m) long. If it were closed, the detour would be 18 mi (29 km).

Location

Open in Google Maps
CarriesSalome Road
CrossesCentennial Wash
Location2 MI SE of US 60
RouteCounty Highway 0
CountyLa Paz County
StateArizona
Coordinates33.7685, -113.5837
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 protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionJanuary 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71 US tons
Inventory rating42 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans5
Design loadHS 20
Structure length66 ft (20.1 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,073 (2022)
Projected traffic1,083 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 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 Salome Road over Centennial Wash built?

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

What condition is Salome Road over Centennial 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 Salome Road over Centennial Wash carry?

About 1,073 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is Salome Road over Centennial Wash?

The structure is 66 ft (20.1 m) long with a longest span of 12 ft (3.7 m).

Who owns Salome Road over Centennial Wash?

It is owned by the County Highway Agency.