US Bridges

I 40; EB & WB over Wash

Good

Coconino County, Arizona · 6.6 MI W JCT SR 99 · Structure no. 05950

Built
1950
75 years old, rebuilt 1982
Condition
Good
inspected April 2023
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
19,647
2021 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 1950 and reconstructed in 1982, 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 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 19,647 vehicles a day, roughly 51% of them trucks, projected to reach 19,657 by 2041. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 98.8 mi (159 km).

Location

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CarriesI 40; EB & WB
CrossesWash
Location6.6 MI W JCT SR 99
RouteInterstate 40
CountyCoconino County
StateArizona
Coordinates35.09646, -110.94567
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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 traffic19,647 (2021)
Projected traffic19,657 by 2041
Trucks51%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2,000 (2019 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was I 40; EB & WB over Wash built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1982.

What condition is I 40; EB & WB 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 April 2023.

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

About 19,647 vehicles per day (2021 count), of which roughly 51% 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.