US Bridges

I 40; EB & WB over Wash

Good

Mohave County, Arizona · 7.5 MI West of JCT US 93 · Structure no. 05879

Built
1966
59 years old, rebuilt 1981
Condition
Good
inspected November 2022
Type
Culvert
Concrete Continuous
Length
32 ft
3 main spans
Daily traffic
21,949
2021 count
Owner
State
State Highway Agency

About this bridge

I 40; EB & WB over Wash is a concrete continuous culvert carrying I 40; EB & WB over Wash in Mohave County, Arizona. It was built in 1966 and reconstructed in 1981, so it is 59 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 21,949 vehicles a day, roughly 26% of them trucks, projected to reach 21,959 by 2041. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 98.8 mi (159 km).

Location

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CarriesI 40; EB & WB
CrossesWash
Location7.5 MI West of JCT US 93
RouteInterstate 40
CountyMohave County
StateArizona
Coordinates35.19081, -113.82161
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 inspectionNovember 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 rating70 US tons
Inventory rating42 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length32 ft (9.8 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 traffic21,949 (2021)
Projected traffic21,959 by 2041
Trucks26%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was I 40; EB & WB over Wash built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 1981.

What condition is I 40; EB & WB 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 November 2022.

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

About 21,949 vehicles per day (2021 count), of which roughly 26% are trucks.

How long is I 40; EB & WB over Wash?

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

Who owns I 40; EB & WB over Wash?

It is owned by the State Highway Agency.