US Bridges

I-40 EB over Chemehuevi Wash

Good

Mohave County, Arizona · 1.7 MI E JCT SR 95 · Structure no. 01589

Built
1972
53 years old, rebuilt 2016
Condition
Good
inspected April 2024
Type
Slab
Concrete Continuous
Length
141 ft
5 main spans
Daily traffic
9,360
2022 count
Owner
State
State Highway Agency

About this bridge

I-40 EB over Chemehuevi Wash is a concrete continuous slab carrying I-40 EB over Chemehuevi Wash in Mohave County, Arizona. It was built in 1972 and reconstructed in 2016, so it is 53 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 9,360 vehicles a day, roughly 40% of them trucks, projected to reach 9,370 by 2042. The structure is 141 ft (43 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-40 EB
CrossesChemehuevi Wash
Location1.7 MI E JCT SR 95
RouteInterstate 40
CountyMohave County
StateArizona
Coordinates34.7303, -114.2885
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating69 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHL 93
Structure length141 ft (43 m)
Longest span30 ft (9.1 m)
Deck width45 ft (13.6 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,360 (2022)
Projected traffic9,370 by 2042
Trucks40%
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 Chemehuevi Wash built?

It was built in 1972, making it 53 years old in 2025. It was reconstructed in 2016.

What condition is I-40 EB over Chemehuevi 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 2024.

How much traffic does I-40 EB over Chemehuevi Wash carry?

About 9,360 vehicles per day (2022 count), of which roughly 40% are trucks.

How long is I-40 EB over Chemehuevi Wash?

The structure is 141 ft (43 m) long with a longest span of 30 ft (9.1 m) and a deck 45 ft wide.

Who owns I-40 EB over Chemehuevi Wash?

It is owned by the State Highway Agency.