US Bridges

Geronimo Trail over Cottonwood Wash

Fair

Cochise County, Arizona · 32.2 MI E JCT SR 80 · Structure no. 08105

Built
1959
66 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
27 ft
1 main span
Daily traffic
75
2021 count
Owner
County
County Highway Agency

About this bridge

Geronimo Trail over Cottonwood Wash is a steel stringer/multi-beam or girder carrying Geronimo Trail over Cottonwood Wash in Cochise County, Arizona. It was built in 1959, so it is 66 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 75 vehicles a day, roughly 1% of them trucks, projected to reach 85 by 2041. The structure is 27 ft (8.2 m) long and 16 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesGeronimo Trail
CrossesCottonwood Wash
Location32.2 MI E JCT SR 80
RouteCounty Highway 0
CountyCochise County
StateArizona
Coordinates31.4751, -109.0904
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36 US tons
Inventory rating21.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span25 ft (7.6 m)
Deck width16 ft (5 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2021)
Projected traffic85 by 2041
Trucks1%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Geronimo Trail over Cottonwood Wash built?

It was built in 1959, making it 66 years old in 2025.

What condition is Geronimo Trail over Cottonwood 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 September 2023.

How much traffic does Geronimo Trail over Cottonwood Wash carry?

About 75 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is Geronimo Trail over Cottonwood Wash?

The structure is 27 ft (8.2 m) long with a longest span of 25 ft (7.6 m) and a deck 16 ft wide.

Who owns Geronimo Trail over Cottonwood Wash?

It is owned by the County Highway Agency.