US Bridges

IRR SR 86 over Wash

Good

Pima County, Arizona · 4.5 MI West of JCT SR 286 · Structure no. 04616

Built
1938
87 years old, rebuilt 2010
Condition
Good
inspected November 2024
Type
Culvert
Concrete Continuous
Length
43 ft
4 main spans
Daily traffic
2,730
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 1938 and reconstructed in 2010, so it is 87 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,730 vehicles a day, roughly 14% of them trucks, projected to reach 2,740 by 2042. The structure is 43 ft (13.1 m) long and 47 ft wide. If it were closed, the detour would be 49.7 mi (80 km).

Location

Open in Google Maps
CarriesIRR SR 86
CrossesWash
Location4.5 MI West of JCT SR 286
RouteState Highway 86
CountyPima County
StateArizona
Coordinates32.0622, -111.3876
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 protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
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 geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating35.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length43 ft (13.1 m)
Longest span10 ft (3 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,730 (2022)
Projected traffic2,740 by 2042
Trucks14%
Lanes on structure2
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 1938, making it 87 years old in 2025. It was reconstructed in 2010.

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 2,730 vehicles per day (2022 count), of which roughly 14% are trucks.

How long is IRR SR 86 over Wash?

The structure is 43 ft (13.1 m) long with a longest span of 10 ft (3 m) and a deck 47 ft wide.

Who owns IRR SR 86 over Wash?

It is owned by the State Highway Agency.