IRR BIA RTE 3 over Hint Canyon
PoorPosted for loadGraham County, Arizona · 39.1 KM E of Coolidge Dam · Structure no. 00000000000H196
- Built
- 1929
- 96 years old
- Condition
- Poor
- 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 Hint Canyon is a concrete slab carrying IRR BIA RTE 3 over Hint 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. 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 140 by 2044. The structure is 66 ft (20.1 m) long and 23 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 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was IRR BIA RTE 3 over Hint Canyon built?
It was built in 1929, making it 96 years old in 2025.
What condition is IRR BIA RTE 3 over Hint Canyon in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in December 2024.
How much traffic does IRR BIA RTE 3 over Hint Canyon carry?
About 120 vehicles per day (2024 count), of which roughly 2% are trucks.
How long is IRR BIA RTE 3 over Hint Canyon?
The structure is 66 ft (20.1 m) long with a longest span of 22 ft (6.7 m) and a deck 23 ft wide.
Who owns IRR BIA RTE 3 over Hint Canyon?
It is owned by the Bureau of Indian Affairs.