US Bridges

IRR SR 87 over Wash

Fair

Pinal County, Arizona · 1.9 MI SE JCT SR 187 · Structure no. 04630

Built
1960
65 years old
Condition
Fair
inspected October 2021
Type
Culvert
Concrete Continuous
Length
53 ft
5 main spans
Daily traffic
6,620
2020 count
Owner
State
State Highway Agency

About this bridge

IRR SR 87 over Wash is a concrete continuous culvert carrying IRR SR 87 over Wash in Pinal County, Arizona. It was built in 1960, so it is 65 years old, older 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 6 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 6,620 vehicles a day, roughly 10% of them trucks, projected to reach 6,630 by 2040. The structure is 53 ft (16.2 m) long and 49 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

Open in Google Maps
CarriesIRR SR 87
CrossesWash
Location1.9 MI SE JCT SR 187
RouteState Highway 87
CountyPinal County
StateArizona
Coordinates33.0483, -111.6716
Functional classRural Minor Arterial

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.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating54 US tons
Inventory rating32 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length53 ft (16.2 m)
Longest span10 ft (3 m)
Deck width49 ft (14.9 m)
Roadway width47 ft (14.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,620 (2020)
Projected traffic6,630 by 2040
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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 IRR SR 87 over Wash built?

It was built in 1960, making it 65 years old in 2025.

What condition is IRR SR 87 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 2021.

How much traffic does IRR SR 87 over Wash carry?

About 6,620 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is IRR SR 87 over Wash?

The structure is 53 ft (16.2 m) long with a longest span of 10 ft (3 m) and a deck 49 ft wide.

Who owns IRR SR 87 over Wash?

It is owned by the State Highway Agency.