US Bridges

I 40; EB over Wash

Good

Mohave County, Arizona · 10.5 MI S JCT US 93 · Structure no. 05866

Built
1952
73 years old
Condition
Good
inspected April 2022
Type
Culvert
Concrete Continuous
Length
29 ft
2 main spans
Daily traffic
7,480
2017 count
Owner
State
State Highway Agency

About this bridge

I 40; EB over Wash is a concrete continuous culvert carrying I 40; EB over Wash in Mohave County, Arizona. It was built in 1952, so it is 73 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 7,480 vehicles a day, roughly 26% of them trucks, projected to reach 7,490 by 2037. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI 40; EB
CrossesWash
Location10.5 MI S JCT US 93
RouteInterstate 40
CountyMohave County
StateArizona
Coordinates35.0531, -114.1265
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionApril 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating99 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length29 ft (8.8 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,480 (2017)
Projected traffic7,490 by 2037
Trucks26%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 40; EB over Wash built?

It was built in 1952, making it 73 years old in 2025.

What condition is I 40; EB 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 April 2022.

How much traffic does I 40; EB over Wash carry?

About 7,480 vehicles per day (2017 count), of which roughly 26% are trucks.

How long is I 40; EB over Wash?

The structure is 29 ft (8.8 m) long with a longest span of 10 ft (3 m).

Who owns I 40; EB over Wash?

It is owned by the State Highway Agency.