US Bridges

SR 86 over Black Wash

Good

Pima County, Arizona · 9.5 MI W of Junc 19 · Structure no. 20073

Built
2017
8 years old
Condition
Good
inspected December 2023
Type
Slab
Concrete Continuous
Length
130 ft
4 main spans
Daily traffic
6,489
2022 count
Owner
State
State Highway Agency

About this bridge

SR 86 over Black Wash is a concrete continuous slab carrying SR 86 over Black Wash in Pima County, Arizona. It was built in 2017, so it is 8 years old, younger 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 6,489 vehicles a day, roughly 12% of them trucks, projected to reach 6,499 by 2042. The structure is 130 ft (39.6 m) long and 45 ft wide. If it were closed, the detour would be 44.1 mi (71 km).

CarriesSR 86
CrossesBlack Wash
Location9.5 MI W of Junc 19
RouteState Highway 86
StateArizona
Coordinates32.1458, -111.136
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating66 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHL 93
Structure length130 ft (39.6 m)
Longest span35 ft (10.7 m)
Deck width45 ft (13.7 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,489 (2022)
Projected traffic6,499 by 2042
Trucks12%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed44.1 mi (71 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 SR 86 over Black Wash built?

It was built in 2017, making it 8 years old in 2025.

What condition is SR 86 over Black 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 December 2023.

How much traffic does SR 86 over Black Wash carry?

About 6,489 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is SR 86 over Black Wash?

The structure is 130 ft (39.6 m) long with a longest span of 35 ft (10.7 m) and a deck 45 ft wide.

Who owns SR 86 over Black Wash?

It is owned by the State Highway Agency.