US Bridges

SR 87 over Wash

Good

Pinal County, Arizona · 3.6 MI N JCT SR 287 · Structure no. 04629

Built
1959
66 years old
Condition
Good
inspected October 2021
Type
Culvert
Concrete Continuous
Length
32 ft
3 main spans
Daily traffic
7,543
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 1959, so it is 66 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 7,543 vehicles a day, roughly 14% of them trucks, projected to reach 7,553 by 2040. The structure is 32 ft (9.8 m) long and 48 ft wide. If it were closed, the detour would be 37.9 mi (61 km).

Location

Open in Google Maps
CarriesSR 87
CrossesWash
Location3.6 MI N JCT SR 287
RouteState Highway 87
CountyPinal County
StateArizona
Coordinates32.9323, -111.515
Functional classRural Principal Arterial - Other

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 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating35.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span10 ft (3 m)
Deck width48 ft (14.5 m)
Roadway width45 ft (13.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,543 (2020)
Projected traffic7,553 by 2040
Trucks14%
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 1959, making it 66 years old in 2025.

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 7,543 vehicles per day (2020 count), of which roughly 14% are trucks.

How long is SR 87 over Wash?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m) and a deck 48 ft wide.

Who owns SR 87 over Wash?

It is owned by the State Highway Agency.