US Bridges

SR 80 over Mule Canyon

Fair

Cochise County, Arizona · 1.8 MI W JCT SR 92 · Structure no. 04494

Built
1961
64 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete Continuous
Length
45 ft
2 main spans
Daily traffic
7,336
2022 count
Owner
State
State Highway Agency

About this bridge

SR 80 over Mule Canyon is a concrete continuous culvert carrying SR 80 over Mule Canyon in Cochise County, Arizona. It was built in 1961, so it is 64 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 7,336 vehicles a day, roughly 11% of them trucks, projected to reach 7,346 by 2042. The structure is 45 ft (13.7 m) long. If it were closed, the detour would be 24.2 mi (39 km).

Location

Open in Google Maps
CarriesSR 80
CrossesMule Canyon
Location1.8 MI W JCT SR 92
RouteState Highway 80
CountyCochise County
StateArizona
Coordinates31.43737, -109.9058
Functional classRural Principal Arterial - Other

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.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: 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 rating99 US tons
Inventory rating75.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length45 ft (13.7 m)
Longest span20 ft (6.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,336 (2022)
Projected traffic7,346 by 2042
Trucks11%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.2 mi (39 km)
TollOn a free road
National Highway SystemYes

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
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 80 over Mule Canyon built?

It was built in 1961, making it 64 years old in 2025.

What condition is SR 80 over Mule Canyon 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 April 2024.

How much traffic does SR 80 over Mule Canyon carry?

About 7,336 vehicles per day (2022 count), of which roughly 11% are trucks.

How long is SR 80 over Mule Canyon?

The structure is 45 ft (13.7 m) long with a longest span of 20 ft (6.1 m).

Who owns SR 80 over Mule Canyon?

It is owned by the State Highway Agency.