US Bridges

I 40; WB over Wash

Fair

Coconino County, Arizona · 8.8 MI W JCT SR 64 · Structure no. 05901

Built
1950
75 years old
Condition
Fair
inspected July 2022
Type
Culvert
Concrete Continuous
Length
44 ft
4 main spans
Daily traffic
9,822
2021 count
Owner
State
State Highway Agency

About this bridge

I 40; WB over Wash is a concrete continuous culvert carrying I 40; WB over Wash in Coconino County, Arizona. It was built in 1950, so it is 75 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 9,822 vehicles a day, roughly 38% of them trucks, projected to reach 9,832 by 2041. The structure is 44 ft (13.4 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI 40; WB
CrossesWash
Location8.8 MI W JCT SR 64
RouteInterstate 40
CountyCoconino County
StateArizona
Coordinates35.221, -112.2894
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 length44 ft (13.4 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 traffic9,822 (2021)
Projected traffic9,832 by 2041
Trucks38%
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; WB over Wash built?

It was built in 1950, making it 75 years old in 2025.

What condition is I 40; 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 July 2022.

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

About 9,822 vehicles per day (2021 count), of which roughly 38% are trucks.

How long is I 40; WB over Wash?

The structure is 44 ft (13.4 m) long with a longest span of 10 ft (3 m).

Who owns I 40; WB over Wash?

It is owned by the State Highway Agency.