US Bridges

IRR SR 86 over Wash

Good

Pima County, Arizona · 16.0 MI West of JCT SR286 · Structure no. 04610

Built
1947
78 years old, rebuilt 2015
Condition
Good
inspected November 2024
Type
Culvert
Concrete Continuous
Length
33 ft
3 main spans
Daily traffic
2,785
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 1947 and reconstructed in 2015, so it is 78 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 2,785 vehicles a day, roughly 15% of them trucks, projected to reach 2,795 by 2042. The structure is 33 ft (10.1 m) long and 74 ft wide. If it were closed, the detour would be 49.7 mi (80 km).

Location

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CarriesIRR SR 86
CrossesWash
Location16.0 MI West of JCT SR286
RouteState Highway 86
CountyPima County
StateArizona
Coordinates32.027, -111.5769
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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2024
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 rating70 US tons
Inventory rating42 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length33 ft (10.1 m)
Longest span10 ft (3 m)
Deck width74 ft (22.5 m)
Roadway width72 ft (21.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,785 (2022)
Projected traffic2,795 by 2042
Trucks15%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed49.7 mi (80 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 1947, making it 78 years old in 2025. It was reconstructed in 2015.

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 2024.

How much traffic does IRR SR 86 over Wash carry?

About 2,785 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is IRR SR 86 over Wash?

The structure is 33 ft (10.1 m) long with a longest span of 10 ft (3 m) and a deck 74 ft wide.

Who owns IRR SR 86 over Wash?

It is owned by the State Highway Agency.