US Bridges

IRR SR 86 over Wash

Good

Pima County, Arizona · 14.9 MI W JCT SR 386 · Structure no. 04592

Built
1946
79 years old, rebuilt 2015
Condition
Good
inspected November 2022
Type
Culvert
Concrete Continuous
Length
75 ft
6 main spans
Daily traffic
2,815
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 1946 and reconstructed in 2015, so it is 79 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 2,815 vehicles a day, roughly 10% of them trucks, projected to reach 2,825 by 2042. The structure is 75 ft (22.9 m) long and 54 ft wide. If it were closed, the detour would be 60.3 mi (97 km).

CarriesIRR SR 86
CrossesWash
Location14.9 MI W JCT SR 386
RouteState Highway 86
StateArizona
Coordinates31.9279, -111.7927
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 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55 US tons
Inventory rating33 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length75 ft (22.9 m)
Longest span10 ft (3 m)
Deck width54 ft (16.5 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,815 (2022)
Projected traffic2,825 by 2042
Trucks10%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed60.3 mi (97 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1,000 (2018 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was IRR SR 86 over Wash built?

It was built in 1946, making it 79 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 2022.

How much traffic does IRR SR 86 over Wash carry?

About 2,815 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is IRR SR 86 over Wash?

The structure is 75 ft (22.9 m) long with a longest span of 10 ft (3 m) and a deck 54 ft wide.

Who owns IRR SR 86 over Wash?

It is owned by the State Highway Agency.