US Bridges

I 40 Efr over Wash

Good

Mohave County, Arizona · 4.3 MI S JCT US 93 · Structure no. 06680

Built
1978
47 years old
Condition
Good
inspected November 2022
Type
Culvert
Concrete Continuous
Length
34 ft
4 main spans
Daily traffic
12,500
2022 count
Owner
State
State Highway Agency

About this bridge

I 40 Efr over Wash is a concrete continuous culvert carrying I 40 Efr 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 12,500 vehicles a day, roughly 5% of them trucks, projected to reach 12,510 by 2042. The structure is 34 ft (10.4 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesI 40 Efr
CrossesWash
Location4.3 MI S JCT US 93
RouteState Highway 40
CountyMohave County
StateArizona
Coordinates35.13884, -114.09934
Functional classRural Local

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 length34 ft (10.4 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 traffic12,500 (2022)
Projected traffic12,510 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

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 Efr over Wash built?

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

What condition is I 40 Efr 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 Efr over Wash carry?

About 12,500 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is I 40 Efr over Wash?

The structure is 34 ft (10.4 m) long with a longest span of 6 ft (1.8 m).

Who owns I 40 Efr over Wash?

It is owned by the State Highway Agency.