US Bridges

SR 87 over Wash

Good

Pinal County, Arizona · 1.1 MI N JCT I 10 · Structure no. 04625

Built
1956
69 years old, rebuilt 1961
Condition
Good
inspected October 2021
Type
Culvert
Concrete Continuous
Length
43 ft
4 main spans
Daily traffic
2,988
2020 count
Owner
State
State Highway Agency

About this bridge

SR 87 over Wash is a concrete continuous culvert carrying SR 87 over Wash in Pinal County, Arizona. It was built in 1956 and reconstructed in 1961, so it is 69 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 2,988 vehicles a day, roughly 21% of them trucks, projected to reach 2,998 by 2040. The structure is 43 ft (13.1 m) long. If it were closed, the detour would be 37.9 mi (61 km).

CarriesSR 87
CrossesWash
Location1.1 MI N JCT I 10
RouteState Highway 87
StateArizona
Coordinates32.7485, -111.5159
Functional classRural Major 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 inspectionOctober 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72 US tons
Inventory rating43 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans4
Design loadHS 20
Structure length43 ft (13.1 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,988 (2020)
Projected traffic2,998 by 2040
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed37.9 mi (61 km)
TollOn a free road
National Highway SystemNo

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 87 over Wash built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 1961.

What condition is SR 87 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 2021.

How much traffic does SR 87 over Wash carry?

About 2,988 vehicles per day (2020 count), of which roughly 21% are trucks.

How long is SR 87 over Wash?

The structure is 43 ft (13.1 m) long with a longest span of 10 ft (3 m).

Who owns SR 87 over Wash?

It is owned by the State Highway Agency.