US Bridges

SR 80 over Sandy Bob Wash

Fair

Cochise County, Arizona · 2.3 MI N JCT SR 90 · Structure no. 00234

Built
1940
85 years old
Condition
Fair
inspected February 2025
Type
Slab
Concrete Continuous
Length
101 ft
4 main spans
Daily traffic
1,743
2021 count
Owner
State
State Highway Agency

About this bridge

SR 80 over Sandy Bob Wash is a concrete continuous slab carrying SR 80 over Sandy Bob 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 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 1,743 vehicles a day, roughly 8% of them trucks, projected to reach 1,753 by 2041. The structure is 101 ft (30.8 m) long and 33 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

Location

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CarriesSR 80
CrossesSandy Bob Wash
Location2.3 MI N JCT SR 90
RouteState Highway 80
CountyCochise County
StateArizona
Coordinates31.5485, -110.0114
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating49.1 US tons
Inventory rating29 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length101 ft (30.8 m)
Longest span25 ft (7.6 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,743 (2021)
Projected traffic1,753 by 2041
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.9 mi (40 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 80 over Sandy Bob Wash built?

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

What condition is SR 80 over Sandy Bob 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 SR 80 over Sandy Bob Wash carry?

About 1,743 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is SR 80 over Sandy Bob Wash?

The structure is 101 ft (30.8 m) long with a longest span of 25 ft (7.6 m) and a deck 33 ft wide.

Who owns SR 80 over Sandy Bob Wash?

It is owned by the State Highway Agency.