US Bridges

I 40; EB over Wash

Good

Mohave County, Arizona · 20.5 MI East JCT SR 95 · Structure no. 05852

Built
1952
73 years old
Condition
Good
inspected June 2024
Type
Culvert
Concrete Continuous
Length
65 ft
6 main spans
Daily traffic
7,999
2022 count
Owner
State
State Highway Agency

About this bridge

I 40; EB over Wash is a concrete continuous culvert carrying I 40; EB over Wash in Mohave County, Arizona. It was built in 1952, so it is 73 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 7,999 vehicles a day, roughly 42% of them trucks, projected to reach 8,009 by 2042. The structure is 65 ft (19.8 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 40; EB
CrossesWash
Location20.5 MI East JCT SR 95
RouteInterstate 40
StateArizona
Coordinates34.9368, -114.1482
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58 US tons
Inventory rating35.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length65 ft (19.8 m)
Longest span10 ft (3 m)
Deck width42 ft (12.8 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,999 (2022)
Projected traffic8,009 by 2042
Trucks42%
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 Wash built?

It was built in 1952, making it 73 years old in 2025.

What condition is I 40; EB 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 June 2024.

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

About 7,999 vehicles per day (2022 count), of which roughly 42% are trucks.

How long is I 40; EB over Wash?

The structure is 65 ft (19.8 m) long with a longest span of 10 ft (3 m) and a deck 42 ft wide.

Who owns I 40; EB over Wash?

It is owned by the State Highway Agency.