US Bridges

I 10; EB & WB & Sf over Wash

Good

La Paz County, Arizona · 0.7 MI W JCT US 95 · Structure no. 05395

Built
1964
61 years old, rebuilt 1979
Condition
Good
inspected February 2024
Type
Culvert
Concrete Continuous
Length
32 ft
3 main spans
Daily traffic
21,859
2018 count
Owner
State
State Highway Agency

About this bridge

I 10; EB & WB & Sf over Wash is a concrete continuous culvert carrying I 10; EB & WB & Sf over Wash in La Paz County, Arizona. It was built in 1964 and reconstructed in 1979, so it is 61 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 21,859 vehicles a day, roughly 26% of them trucks, projected to reach 21,869 by 2038. The structure is 32 ft (9.8 m) long and 235 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesI 10; EB & WB & Sf
CrossesWash
Location0.7 MI W JCT US 95
RouteInterstate 10
StateArizona
Coordinates33.66156, -114.22828
Functional classRural Principal Arterial - Interstate

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 inspectionFebruary 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum 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 spans3
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span10 ft (3 m)
Deck width235 ft (71.6 m)
Roadway width102 ft (31.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,859 (2018)
Projected traffic21,869 by 2038
Trucks26%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 I 10; EB & WB & Sf over Wash built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 1979.

What condition is I 10; EB & WB & Sf over 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 February 2024.

How much traffic does I 10; EB & WB & Sf over Wash carry?

About 21,859 vehicles per day (2018 count), of which roughly 26% are trucks.

How long is I 10; EB & WB & Sf over Wash?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m) and a deck 235 ft wide.

Who owns I 10; EB & WB & Sf over Wash?

It is owned by the State Highway Agency.