US Bridges

IRR SR 86; FAP 056 over Black Hills Wash

Fair

Pima County, Arizona · 10.4 MI West of JCT US 89 · Structure no. 01606

Built
1972
53 years old
Condition
Fair
inspected December 2023
Type
Slab
Concrete Continuous
Length
129 ft
4 main spans
Daily traffic
3,694
2022 count
Owner
State
State Highway Agency

About this bridge

IRR SR 86; FAP 056 over Black Hills Wash is a concrete continuous slab carrying IRR SR 86; FAP 056 over Black Hills Wash in Pima County, Arizona. It was built in 1972, so it is 53 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 3,694 vehicles a day, roughly 13% of them trucks, projected to reach 3,704 by 2042. The structure is 129 ft (39.3 m) long and 47 ft wide. If it were closed, the detour would be 44.1 mi (71 km).

Location

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CarriesIRR SR 86; FAP 056
CrossesBlack Hills Wash
Location10.4 MI West of JCT US 89
RouteState Highway 86
CountyPima County
StateArizona
Coordinates32.1458, -111.1357
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.9 US tons
Inventory rating37 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length129 ft (39.3 m)
Longest span35 ft (10.7 m)
Deck width47 ft (14.2 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,694 (2022)
Projected traffic3,704 by 2042
Trucks13%
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 IRR SR 86; FAP 056 over Black Hills Wash built?

It was built in 1972, making it 53 years old in 2025.

What condition is IRR SR 86; FAP 056 over Black Hills 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 December 2023.

How much traffic does IRR SR 86; FAP 056 over Black Hills Wash carry?

About 3,694 vehicles per day (2022 count), of which roughly 13% are trucks.

How long is IRR SR 86; FAP 056 over Black Hills Wash?

The structure is 129 ft (39.3 m) long with a longest span of 35 ft (10.7 m) and a deck 47 ft wide.

Who owns IRR SR 86; FAP 056 over Black Hills Wash?

It is owned by the State Highway Agency.