US Bridges

I 10; Frontage RD over Wash

Good

Cochise County, Arizona · 1.6 MI East JCT SR 191 · Structure no. 05636

Built
1939
86 years old, rebuilt 1975
Condition
Good
inspected August 2022
Type
Culvert
Concrete Continuous
Length
43 ft
4 main spans
Daily traffic
16,802
2021 count
Owner
State
State Highway Agency

About this bridge

I 10; Frontage RD over Wash is a concrete continuous culvert carrying I 10; Frontage RD over Wash in Cochise County, Arizona. It was built in 1939 and reconstructed in 1975, so it is 86 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 16,802 vehicles a day, roughly 49% of them trucks, projected to reach 16,812 by 2041. The structure is 43 ft (13.1 m) long. If it were closed, the detour would be 16.2 mi (26 km).

Location

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CarriesI 10; Frontage RD
CrossesWash
Location1.6 MI East JCT SR 191
RouteInterstate 10
CountyCochise County
StateArizona
Coordinates32.3472, -109.5995
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 inspectionAugust 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67 US tons
Inventory rating40 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans4
Design loadHS 20
Structure length43 ft (13.1 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 2041
Trucks49%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I 10; Frontage RD over Wash built?

It was built in 1939, making it 86 years old in 2025. It was reconstructed in 1975.

What condition is I 10; Frontage RD 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 August 2022.

How much traffic does I 10; Frontage RD over Wash carry?

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

How long is I 10; Frontage RD over Wash?

The structure is 43 ft (13.1 m) long with a longest span of 10 ft (3 m).

Who owns I 10; Frontage RD over Wash?

It is owned by the State Highway Agency.