SR 587 over Wash

Good

Pinal County, Arizona · 1.5 MI S JCT SR 87 · Structure no. 06013

Built: 1966; 59 years old, rebuilt 2012
Condition: Good; inspected April 2021
Type: Culvert; Concrete Continuous
Length: 65 ft; 6 main spans
Daily traffic: 10,007; 2019 count
Owner: State; State Highway Agency

About this bridge

SR 587 over Wash is a concrete continuous culvert carrying SR 587 over Wash in Pinal County, Arizona. It was built in 1966 and reconstructed in 2012, so it is 59 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 10,007 vehicles a day, roughly 10% of them trucks, projected to reach 19,665 by 2040. The structure is 65 ft (19.8 m) long and 75 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps

CarriesSR 587

CrossesWash

Location1.5 MI S JCT SR 87

RouteState Highway 587

CountyPinal County

StateArizona

Coordinates33.193, -111.8409

Functional classRural Minor Arterial

Condition and inspection

Good

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

Component	Rating	Meaning
Channel and channel protection	7 Good	Some minor problems.
Culvert	7 Good	Some minor problems.

Last inspectionApril 2021

Inspection intervalevery 48 months

Operating statusOpen, no restriction

ScourFoundations stable; scour above top of footing

Structural evaluation7: Better than present minimum criteria

Deck geometry9: Superior to present desirable criteria

Waterway adequacy7: Better than present minimum criteria

Approach roadway alignment8: Equal to present desirable criteria

Operating rating55 US tons

Inventory rating33 US tons

Structure

Structure typeCulvert

MaterialConcrete Continuous

DeckConcrete, cast-in-place

Main spans6

Design loadHS 20

Structure length65 ft (19.8 m)

Longest span10 ft (3 m)

Deck width75 ft (22.9 m)

Roadway width73 ft (22.3 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,007 (2019)

Projected traffic19,665 by 2040

Trucks10%

Lanes on structure3

Traffic directionTwo-way traffic

CarriesHighway

CrossesWaterway

Detour if closed6.8 mi (11 km)

TollOn a free road

National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency

Maintained byState 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 SR 587 over Wash built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 2012.

What condition is SR 587 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 April 2021.

How much traffic does SR 587 over Wash carry?

About 10,007 vehicles per day (2019 count), of which roughly 10% are trucks.

How long is SR 587 over Wash?

The structure is 65 ft (19.8 m) long with a longest span of 10 ft (3 m) and a deck 75 ft wide.

Who owns SR 587 over Wash?

It is owned by the State Highway Agency.