US Bridges

IRR SR 86 over Wash

Good

Pima County, Arizona · 36.9 MI E JCT SR 85 · Structure no. 04585

Built
1959
66 years old
Condition
Good
inspected November 2022
Type
Culvert
Concrete Continuous
Length
32 ft
3 main spans
Daily traffic
1,130
2022 count
Owner
State
State Highway Agency

About this bridge

IRR SR 86 over Wash is a concrete continuous culvert carrying IRR SR 86 over Wash in Pima 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 1,130 vehicles a day, roughly 10% of them trucks, projected to reach 1,140 by 2042. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 98.8 mi (159 km).

CarriesIRR SR 86
CrossesWash
Location36.9 MI E JCT SR 85
RouteState Highway 86
StateArizona
Coordinates32.1709, -112.1497
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.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2022
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 alignment6: Equal to present minimum criteria
Operating rating99 US tons
Inventory rating99 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length32 ft (9.8 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 traffic1,130 (2022)
Projected traffic1,140 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 IRR SR 86 over Wash built?

It was built in 1959, making it 66 years old in 2025.

What condition is IRR SR 86 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 November 2022.

How much traffic does IRR SR 86 over Wash carry?

About 1,130 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is IRR SR 86 over Wash?

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

Who owns IRR SR 86 over Wash?

It is owned by the State Highway Agency.