US Bridges

I 40; EB WB & Ra over Wash

Good

Mohave County, Arizona · 4.4 MI South of JCT US 93 · Structure no. 06679

Built
1978
47 years old
Condition
Good
inspected November 2022
Type
Culvert
Concrete Continuous
Length
32 ft
4 main spans
Daily traffic
17,565
2021 count
Owner
State
State Highway Agency

About this bridge

I 40; EB WB & Ra over Wash is a concrete continuous culvert carrying I 40; EB WB & Ra over Wash in Mohave County, Arizona. It was built in 1978, so it is 47 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 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 17,565 vehicles a day, roughly 49% of them trucks, projected to reach 17,575 by 2041. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesI 40; EB WB & Ra
CrossesWash
Location4.4 MI South of JCT US 93
RouteInterstate 40
CountyMohave County
StateArizona
Coordinates35.13863, -114.10063
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 adequacy8: Equal to present desirable 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 spans4
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span6 ft (1.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,565 (2021)
Projected traffic17,575 by 2041
Trucks49%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$2,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

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

It was built in 1978, making it 47 years old in 2025.

What condition is I 40; EB WB & Ra 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 & Ra over Wash carry?

About 17,565 vehicles per day (2021 count), of which roughly 49% are trucks.

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

The structure is 32 ft (9.8 m) long with a longest span of 6 ft (1.8 m).

Who owns I 40; EB WB & Ra over Wash?

It is owned by the State Highway Agency.