US Bridges

IRR SR 86 over Wash

Fair

Pima County, Arizona · 49.1 MI E JCT SR 85 · Structure no. 04588

Built
1951
74 years old
Condition
Fair
inspected November 2022
Type
Culvert
Concrete Continuous
Length
44 ft
3 main spans
Daily traffic
1,829
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 1951, so it is 74 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 1,829 vehicles a day, roughly 10% of them trucks, projected to reach 1,839 by 2042. The structure is 44 ft (13.4 m) long and 33 ft wide. If it were closed, the detour would be 60.3 mi (97 km).

Location

Open in Google Maps
CarriesIRR SR 86
CrossesWash
Location49.1 MI E JCT SR 85
RouteState Highway 86
CountyPima County
StateArizona
Coordinates32.0422, -112.0191
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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67 US tons
Inventory rating40 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length44 ft (13.4 m)
Longest span12 ft (3.7 m)
Deck width33 ft (10.1 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,829 (2022)
Projected traffic1,839 by 2042
Trucks10%
Lanes on structure2
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 1951, making it 74 years old in 2025.

What condition is IRR SR 86 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 November 2022.

How much traffic does IRR SR 86 over Wash carry?

About 1,829 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is IRR SR 86 over Wash?

The structure is 44 ft (13.4 m) long with a longest span of 12 ft (3.7 m) and a deck 33 ft wide.

Who owns IRR SR 86 over Wash?

It is owned by the State Highway Agency.