US Bridges

I 10; Sfr over Adams Peak Wash

Fair

Cochise County, Arizona · 7.4 MI E JCT SR 90 · Structure no. 00248

Built
1940
85 years old
Condition
Fair
inspected February 2025
Type
Slab
Concrete Continuous
Length
137 ft
5 main spans
Daily traffic
21,121
2022 count
Owner
State
State Highway Agency

About this bridge

I 10; Sfr over Adams Peak Wash is a concrete continuous slab carrying I 10; Sfr over Adams Peak Wash in Cochise County, Arizona. It was built in 1940, so it is 85 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 5 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 21,121 vehicles a day, roughly 33% of them trucks, projected to reach 28,301 by 2042. The structure is 137 ft (41.8 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI 10; Sfr
CrossesAdams Peak Wash
Location7.4 MI E JCT SR 90
RouteState Highway 10
CountyCochise County
StateArizona
Coordinates31.9777, -110.2262
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length137 ft (41.8 m)
Longest span25 ft (7.6 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,121 (2022)
Projected traffic28,301 by 2042
Trucks33%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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; Sfr over Adams Peak Wash built?

It was built in 1940, making it 85 years old in 2025.

What condition is I 10; Sfr over Adams Peak 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 February 2025.

How much traffic does I 10; Sfr over Adams Peak Wash carry?

About 21,121 vehicles per day (2022 count), of which roughly 33% are trucks.

How long is I 10; Sfr over Adams Peak Wash?

The structure is 137 ft (41.8 m) long with a longest span of 25 ft (7.6 m) and a deck 36 ft wide.

Who owns I 10; Sfr over Adams Peak Wash?

It is owned by the State Highway Agency.