US Bridges

SR 80 over Palm Grove Wash

Good

Cochise County, Arizona · 1.0 MI E JCT US 191 · Structure no. 00175

Built
1937
88 years old, rebuilt 1982
Condition
Good
inspected April 2024
Type
Slab
Concrete Continuous
Length
85 ft
4 main spans
Daily traffic
6,312
2022 count
Owner
State
State Highway Agency

About this bridge

SR 80 over Palm Grove Wash is a concrete continuous slab carrying SR 80 over Palm Grove Wash in Cochise County, Arizona. It was built in 1937 and reconstructed in 1982, so it is 88 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 6,312 vehicles a day, roughly 10% of them trucks, projected to reach 6,322 by 2042. The structure is 85 ft (25.9 m) long and 82 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSR 80
CrossesPalm Grove Wash
Location1.0 MI E JCT US 191
RouteState Highway 80
StateArizona
Coordinates31.35066, -109.56253
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 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
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length85 ft (25.9 m)
Longest span21 ft (6.4 m)
Deck width82 ft (24.9 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deck19 ft (5.6 m)

Traffic and service

Average daily traffic6,312 (2022)
Projected traffic6,322 by 2042
Trucks10%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 80 over Palm Grove Wash built?

It was built in 1937, making it 88 years old in 2025. It was reconstructed in 1982.

What condition is SR 80 over Palm Grove 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 April 2024.

How much traffic does SR 80 over Palm Grove Wash carry?

About 6,312 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is SR 80 over Palm Grove Wash?

The structure is 85 ft (25.9 m) long with a longest span of 21 ft (6.4 m) and a deck 82 ft wide.

Who owns SR 80 over Palm Grove Wash?

It is owned by the State Highway Agency.