US Bridges

Kinney Road over Small Wash

Good

Pima County, Arizona · 200 Ft S of Naomi RD · Structure no. 08320

Built
1972
53 years old, rebuilt 1987
Condition
Good
inspected February 2024
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
3,419
2020 count
Owner
County
County Highway Agency

About this bridge

Kinney Road over Small Wash is a concrete continuous culvert carrying Kinney Road over Small Wash in Pima County, Arizona. It was built in 1972 and reconstructed in 1987, so it is 53 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 3,419 vehicles a day, roughly 5% of them trucks, projected to reach 3,429 by 2042. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesKinney Road
CrossesSmall Wash
Location200 Ft S of Naomi RD
RouteCounty Highway 0
CountyPima County
StateArizona
Coordinates32.19017, -111.09995
Functional classUrban Collector

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 inspectionFebruary 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55 US tons
Inventory rating33 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,419 (2020)
Projected traffic3,429 by 2042
Trucks5%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Kinney Road over Small Wash built?

It was built in 1972, making it 53 years old in 2025. It was reconstructed in 1987.

What condition is Kinney Road over Small 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 February 2024.

How much traffic does Kinney Road over Small Wash carry?

About 3,419 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Kinney Road over Small Wash?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m).

Who owns Kinney Road over Small Wash?

It is owned by the County Highway Agency.