US Bridges

IRR BIA RTE 88 over Wash

Fair

Pinal County, Arizona · 4.2 KM N - Az 87/87A JCT · Structure no. 0000H57614B0803

Built
1950
75 years old
Condition
Fair
inspected January 2023
Type
Slab
Concrete Continuous
Length
61 ft
3 main spans
Daily traffic
97
2023 count
Owner
Federal
Bureau of Indian Affairs

About this bridge

IRR BIA RTE 88 over Wash is a concrete continuous slab carrying IRR BIA RTE 88 over Wash in Pinal County, Arizona. It was built in 1950, so it is 75 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 5 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 97 vehicles a day, roughly 2% of them trucks, projected to reach 120 by 2043. The structure is 61 ft (18.5 m) long and 22 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesIRR BIA RTE 88
CrossesWash
Location4.2 KM N - Az 87/87A JCT
RouteFederal Lands Road 88
CountyPinal County
StateArizona
Coordinates33.09719, -111.696
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.1 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length61 ft (18.5 m)
Longest span20 ft (6 m)
Deck width22 ft (6.8 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic97 (2023)
Projected traffic120 by 2043
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerBureau of Indian Affairs
Maintained byBureau of Indian Affairs
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 BIA RTE 88 over Wash built?

It was built in 1950, making it 75 years old in 2025.

What condition is IRR BIA RTE 88 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 January 2023.

How much traffic does IRR BIA RTE 88 over Wash carry?

About 97 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is IRR BIA RTE 88 over Wash?

The structure is 61 ft (18.5 m) long with a longest span of 20 ft (6 m) and a deck 22 ft wide.

Who owns IRR BIA RTE 88 over Wash?

It is owned by the Bureau of Indian Affairs.