US Bridges

I 40; EB & WB over Wash

Fair

Coconino County, Arizona · 18.6 MI West JCT SR 99 · Structure no. 05939

Built
1940
85 years old, rebuilt 1970
Condition
Fair
inspected May 2022
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
20,000
2020 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 Coconino County, Arizona. It was built in 1940 and reconstructed in 1970, so it is 85 years old, older than the Arizona average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 20,000 vehicles a day, roughly 47% of them trucks, projected to reach 20,010 by 2040. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI 40; EB & WB
CrossesWash
Location18.6 MI West JCT SR 99
RouteInterstate 40
CountyCoconino County
StateArizona
Coordinates35.1173, -111.102
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating72 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,000 (2020)
Projected traffic20,010 by 2040
Trucks47%
Lanes on structure4
Traffic directionTwo-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 & WB over Wash built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1970.

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

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2022.

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

About 20,000 vehicles per day (2020 count), of which roughly 47% are trucks.

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

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).

Who owns I 40; EB & WB over Wash?

It is owned by the State Highway Agency.