US Bridges

I 40; EB & WB over Wash

Good

Mohave County, Arizona · 3.7 MI East of JCT SR 66 · Structure no. 05873

Built
1967
58 years old, rebuilt 1981
Condition
Good
inspected October 2022
Type
Culvert
Concrete Continuous
Length
35 ft
2 main spans
Daily traffic
26,090
2017 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 1967 and reconstructed in 1981, so it is 58 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 26,090 vehicles a day, roughly 26% of them trucks, projected to reach 26,100 by 2037. The structure is 35 ft (10.7 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
Location3.7 MI East of JCT SR 66
RouteInterstate 40
CountyMohave County
StateArizona
Coordinates35.20553, -113.94653
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating75.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length35 ft (10.7 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 traffic26,090 (2017)
Projected traffic26,100 by 2037
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 1967, making it 58 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 October 2022.

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

About 26,090 vehicles per day (2017 count), of which roughly 26% are trucks.

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

The structure is 35 ft (10.7 m) long with a longest span of 12 ft (3.7 m).

Who owns I 40; EB & WB over Wash?

It is owned by the State Highway Agency.