US Bridges

IRR BIA RTE 8 over Juniper Wash

Good

Graham County, Arizona · 32.9 KM from Az 70 JCT · Structure no. 00000000000H205

Built
1965
60 years old
Condition
Good
inspected January 2024
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
170
2024 count
Owner
Federal
Bureau of Indian Affairs

About this bridge

IRR BIA RTE 8 over Juniper Wash is a concrete culvert carrying IRR BIA RTE 8 over Juniper Wash in Graham County, Arizona. It was built in 1965, so it is 60 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 170 vehicles a day, roughly 5% of them trucks, projected to reach 200 by 2044. The structure is 21 ft (6.4 m) long and 72 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesIRR BIA RTE 8
CrossesJuniper Wash
Location32.9 KM from Az 70 JCT
RouteFederal Lands Road 8
StateArizona
Coordinates33.36945, -110.10344
Functional classRural Minor Collector

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.1 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span10 ft (3.1 m)
Deck width72 ft (21.9 m)
Roadway width27 ft (8.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic170 (2024)
Projected traffic200 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 8 over Juniper Wash built?

It was built in 1965, making it 60 years old in 2025.

What condition is IRR BIA RTE 8 over Juniper 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 January 2024.

How much traffic does IRR BIA RTE 8 over Juniper Wash carry?

About 170 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is IRR BIA RTE 8 over Juniper Wash?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3.1 m) and a deck 72 ft wide.

Who owns IRR BIA RTE 8 over Juniper Wash?

It is owned by the Bureau of Indian Affairs.