IRR BIA RTE 3 over Cottonwood Canyon
FairPosted for loadGraham County, Arizona · 11 KM E of Coolidge Dam · Structure no. 00000000000H172
- Built
- 1929
- 96 years old
- Condition
- Fair
- inspected December 2024
- Type
- Slab
- Concrete
- Length
- 66 ft
- 3 main spans
- Daily traffic
- 120
- 2024 count
- Owner
- Federal
- Bureau of Indian Affairs
About this bridge
IRR BIA RTE 3 over Cottonwood Canyon is a concrete slab carrying IRR BIA RTE 3 over Cottonwood Canyon in Graham County, Arizona. It was built in 1929, so it is 96 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. Its operating status is: posted for other load-capacity restriction.
It carries about 120 vehicles a day, roughly 2% of them trucks, projected to reach 507 by 2044. The structure is 66 ft (20.1 m) long and 25 ft wide. If it were closed, the detour would be 67.1 mi (108 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was IRR BIA RTE 3 over Cottonwood Canyon built?
It was built in 1929, making it 96 years old in 2025.
What condition is IRR BIA RTE 3 over Cottonwood Canyon 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 2024.
How much traffic does IRR BIA RTE 3 over Cottonwood Canyon carry?
About 120 vehicles per day (2024 count), of which roughly 2% are trucks.
How long is IRR BIA RTE 3 over Cottonwood Canyon?
The structure is 66 ft (20.1 m) long with a longest span of 22 ft (6.7 m) and a deck 25 ft wide.
Who owns IRR BIA RTE 3 over Cottonwood Canyon?
It is owned by the Bureau of Indian Affairs.