US Bridges

I 10; EB over Wash

Good

Cochise County, Arizona · 4.4 MI W JCT SR 90 · Structure no. 05570

Built
1958
67 years old
Condition
Good
inspected February 2024
Type
Culvert
Concrete Continuous
Length
24 ft
2 main spans
Daily traffic
14,512
2023 count
Owner
State
State Highway Agency

About this bridge

I 10; EB over Wash is a concrete continuous culvert carrying I 10; EB over Wash in Cochise County, Arizona. It was built in 1958, so it is 67 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 14,512 vehicles a day, roughly 22% of them trucks, projected to reach 14,522 by 2042. The structure is 24 ft (7.3 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 10; EB
CrossesWash
Location4.4 MI W JCT SR 90
RouteInterstate 10
StateArizona
Coordinates31.96284, -110.41945
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 inspectionFebruary 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 rating69 US tons
Inventory rating41 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span10 ft (3 m)
Deck width45 ft (13.7 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,512 (2023)
Projected traffic14,522 by 2042
Trucks22%
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 10; EB over Wash built?

It was built in 1958, making it 67 years old in 2025.

What condition is I 10; 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 February 2024.

How much traffic does I 10; EB over Wash carry?

About 14,512 vehicles per day (2023 count), of which roughly 22% are trucks.

How long is I 10; EB over Wash?

The structure is 24 ft (7.3 m) long with a longest span of 10 ft (3 m) and a deck 45 ft wide.

Who owns I 10; EB over Wash?

It is owned by the State Highway Agency.