US Bridges

Kings Ranch Road over Wash

Fair

Pinal County, Arizona · 2.5 MI N JCT US 60 · Structure no. 07839

Built
1990
35 years old
Condition
Fair
inspected October 2023
Type
Culvert
Steel
Length
66 ft
7 main spans
Daily traffic
10,017
2022 count
Owner
County
County Highway Agency

About this bridge

Kings Ranch Road over Wash is a steel culvert carrying Kings Ranch Road 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 fair condition with a lowest component rating of 5 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 10,017 vehicles a day, roughly 1% of them trucks, projected to reach 10,027 by 2042. The structure is 66 ft (20.1 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesKings Ranch Road
CrossesWash
Location2.5 MI N JCT US 60
RouteCounty Highway 0
CountyPinal County
StateArizona
Coordinates33.3733, -111.4324
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2023
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
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating99 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans7
Design loadHS 20
Structure length66 ft (20.1 m)
Longest span7 ft (2.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,017 (2022)
Projected traffic10,027 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 Kings Ranch Road over Wash built?

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

What condition is Kings Ranch Road over 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 October 2023.

How much traffic does Kings Ranch Road over Wash carry?

About 10,017 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Kings Ranch Road over Wash?

The structure is 66 ft (20.1 m) long with a longest span of 7 ft (2.1 m).

Who owns Kings Ranch Road over Wash?

It is owned by the County Highway Agency.