US Bridges

I 10; EB & WB over Wash

Fair

Cochise County, Arizona · 20.6 MI East JCT US 191 · Structure no. 05702

Built
1966
59 years old, rebuilt 1975
Condition
Fair
inspected October 2024
Type
Culvert
Concrete Continuous
Length
42 ft
4 main spans
Daily traffic
15,099
2024 count
Owner
State
State Highway Agency

About this bridge

I 10; EB & WB over Wash is a concrete continuous culvert carrying I 10; EB & WB over Wash in Cochise County, Arizona. It was built in 1966 and reconstructed in 1975, so it is 59 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 15,099 vehicles a day, roughly 43% of them trucks, projected to reach 15,109 by 2042. The structure is 42 ft (12.8 m) long. If it were closed, the detour would be 51 mi (82 km).

CarriesI 10; EB & WB
CrossesWash
Location20.6 MI East JCT US 191
RouteInterstate 10
StateArizona
Coordinates32.282, -109.2871
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 inspectionOctober 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57 US tons
Inventory rating34 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans4
Design loadHS 20
Structure length42 ft (12.8 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 traffic15,099 (2024)
Projected traffic15,109 by 2042
Trucks43%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed51 mi (82 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; EB & WB over Wash built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 1975.

What condition is I 10; EB & 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 October 2024.

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

About 15,099 vehicles per day (2024 count), of which roughly 43% are trucks.

How long is I 10; EB & WB over Wash?

The structure is 42 ft (12.8 m) long with a longest span of 10 ft (3 m).

Who owns I 10; EB & WB over Wash?

It is owned by the State Highway Agency.