US Bridges

Kirk Drive over Wash

Good

Pinal County, Arizona · 100 E of Piedra Negra Av · Structure no. 07831

Built
1990
35 years old
Condition
Good
inspected October 2023
Type
Culvert
Steel
Length
32 ft
4 main spans
Daily traffic
200
2022 count
Owner
County
County Highway Agency

About this bridge

Kirk Drive over Wash is a steel culvert carrying Kirk Drive over Wash in Pinal County, Arizona. It was built in 1990, so it is 35 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 200 vehicles a day, roughly 1% of them trucks, projected to reach 210 by 2042. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesKirk Drive
CrossesWash
Location100 E of Piedra Negra Av
RouteCounty Highway 0
StateArizona
Coordinates33.2937, -111.3096
Functional classRural 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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71 US tons
Inventory rating41 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans4
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span6 ft (1.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2022)
Projected traffic210 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 Kirk Drive over Wash built?

It was built in 1990, making it 35 years old in 2025.

What condition is Kirk Drive over 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 October 2023.

How much traffic does Kirk Drive over Wash carry?

About 200 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Kirk Drive over Wash?

The structure is 32 ft (9.8 m) long with a longest span of 6 ft (1.8 m).

Who owns Kirk Drive over Wash?

It is owned by the County Highway Agency.