US Bridges

I 10 over Wash

Good

Cochise County, Arizona · 0.3 MI E JCT SR 90 · Structure no. 05577

Built
1931
94 years old, rebuilt 2012
Condition
Good
inspected February 2024
Type
Culvert
Concrete Continuous
Length
54 ft
5 main spans
Daily traffic
25,810
2023 count
Owner
State
State Highway Agency

About this bridge

I 10 over Wash is a concrete continuous culvert carrying I 10 over Wash in Cochise County, Arizona. It was built in 1931 and reconstructed in 2012, so it is 94 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 25,810 vehicles a day, roughly 25% of them trucks, projected to reach 25,820 by 2042. The structure is 54 ft (16.5 m) long. If it were closed, the detour would be 55.9 mi (90 km).

Location

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CarriesI 10
CrossesWash
Location0.3 MI E JCT SR 90
RouteInterstate 10
CountyCochise County
StateArizona
Coordinates31.96589, -110.34135
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 inspectionFebruary 2024
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 rating80 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans5
Design loadHS 20
Structure length54 ft (16.5 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 traffic25,810 (2023)
Projected traffic25,820 by 2042
Trucks25%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed55.9 mi (90 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 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was I 10 over Wash built?

It was built in 1931, making it 94 years old in 2025. It was reconstructed in 2012.

What condition is I 10 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 over Wash carry?

About 25,810 vehicles per day (2023 count), of which roughly 25% are trucks.

How long is I 10 over Wash?

The structure is 54 ft (16.5 m) long with a longest span of 10 ft (3 m).

Who owns I 10 over Wash?

It is owned by the State Highway Agency.