US Bridges

I 40; WB over Wash

Fair

Coconino County, Arizona · 7.8 MI W JCT SR 99 · Structure no. 05949

Built
1970
55 years old, rebuilt 1981
Condition
Fair
inspected April 2023
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
9,996
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 1970 and reconstructed in 1981, so it is 55 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 9,996 vehicles a day, roughly 51% of them trucks, projected to reach 10,006 by 2041. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI 40; WB
CrossesWash
Location7.8 MI W JCT SR 99
RouteInterstate 40
CountyCoconino County
StateArizona
Coordinates35.0997, -110.9667
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 inspectionApril 2023
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 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 traffic9,996 (2021)
Projected traffic10,006 by 2041
Trucks51%
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 1970, making it 55 years old in 2025. It was reconstructed in 1981.

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 April 2023.

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

About 9,996 vehicles per day (2021 count), of which roughly 51% are trucks.

How long is I 40; 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; WB over Wash?

It is owned by the State Highway Agency.