US Bridges

IRR SR 86 over Wash

Good

Pima County, Arizona · 1.0 MI W JCT I-19 · Structure no. 04624

Built
1962
63 years old
Condition
Good
inspected June 2021
Type
Culvert
Concrete Continuous
Length
38 ft
3 main spans
Daily traffic
34,035
2019 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 1962, so it is 63 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 34,035 vehicles a day, roughly 11% of them trucks, projected to reach 46,944 by 2040. The structure is 38 ft (11.6 m) long and 78 ft wide. If it were closed, the detour would be 44.1 mi (71 km).

CarriesIRR SR 86
CrossesWash
Location1.0 MI W JCT I-19
RouteState Highway 86
StateArizona
Coordinates32.1779, -111.0014
Functional classUrban Other Principal 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 inspectionJune 2021
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 alignment6: Equal to present minimum criteria
Operating rating54 US tons
Inventory rating32 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span12 ft (3.7 m)
Deck width78 ft (23.8 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34,035 (2019)
Projected traffic46,944 by 2040
Trucks11%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed44.1 mi (71 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedDeck replacement with only incidental widening
Estimated improvement cost$3,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was IRR SR 86 over Wash built?

It was built in 1962, making it 63 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 June 2021.

How much traffic does IRR SR 86 over Wash carry?

About 34,035 vehicles per day (2019 count), of which roughly 11% are trucks.

How long is IRR SR 86 over Wash?

The structure is 38 ft (11.6 m) long with a longest span of 12 ft (3.7 m) and a deck 78 ft wide.

Who owns IRR SR 86 over Wash?

It is owned by the State Highway Agency.