US Bridges

Cactus Canyon over Drainageway

Good

Pima County, Arizona · 0.5 MI E Thornydale · Structure no. 08903

Built
1986
39 years old
Condition
Good
inspected March 2024
Type
Culvert
Concrete Continuous
Length
55 ft
6 main spans
Daily traffic
210
2022 count
Owner
County
County Highway Agency

About this bridge

Cactus Canyon over Drainageway is a concrete continuous culvert carrying Cactus Canyon over Drainageway in Pima County, Arizona. It was built in 1986, so it is 39 years old, younger 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 210 vehicles a day, roughly 2% of them trucks, projected to reach 220 by 2042. The structure is 55 ft (16.8 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCactus Canyon
CrossesDrainageway
Location0.5 MI E Thornydale
RouteCounty Highway 0
StateArizona
Coordinates32.38614, -111.04082
Functional classUrban Local

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47 US tons
Inventory rating28 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans6
Design loadHS 20
Structure length55 ft (16.8 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic210 (2022)
Projected traffic220 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Cactus Canyon over Drainageway built?

It was built in 1986, making it 39 years old in 2025.

What condition is Cactus Canyon over Drainageway 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 March 2024.

How much traffic does Cactus Canyon over Drainageway carry?

About 210 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is Cactus Canyon over Drainageway?

The structure is 55 ft (16.8 m) long with a longest span of 8 ft (2.4 m).

Who owns Cactus Canyon over Drainageway?

It is owned by the County Highway Agency.