US Bridges

I 10; EB & WB over Wash

Fair

Cochise County, Arizona · 1.2 MI East JCT US 191 No · Structure no. 06598

Built
1976
49 years old
Condition
Fair
inspected August 2022
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
16,802
2021 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 1976, so it is 49 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 16,802 vehicles a day, roughly 49% of them trucks, projected to reach 16,812 by 2022. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesI 10; EB & WB
CrossesWash
Location1.2 MI East JCT US 191 No
RouteInterstate 10
CountyCochise County
StateArizona
Coordinates32.3611, -109.6609
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2022
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 traffic16,802 (2021)
Projected traffic16,812 by 2022
Trucks49%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$2,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was I 10; EB & WB over Wash built?

It was built in 1976, making it 49 years old in 2025.

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 August 2022.

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

About 16,802 vehicles per day (2021 count), of which roughly 49% are trucks.

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

It is owned by the State Highway Agency.