IRR BIA RTE 226 over Black Canyon Creek
PoorBig Horn County, Montana · 51.5 KM SW of Lodge Grass · Structure no. 00000000000C219
- Built
- 1965
- 60 years old, rebuilt 1989
- Condition
- Poor
- inspected June 2024
- Type
- Channel Beam
- Concrete
- Length
- 21 ft
- 1 main span
- Daily traffic
- 5
- 2024 count
- Owner
- Federal
- Bureau of Indian Affairs
About this bridge
IRR BIA RTE 226 over Black Canyon Creek is a concrete channel beam carrying IRR BIA RTE 226 over Black Canyon Creek in Big Horn County, Montana. It was built in 1965 and reconstructed in 1989, so it is 60 years old, older than the Montana average of 47 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.
It carries about 5 vehicles a day, roughly 2% of them trucks, projected to reach 7 by 2044. The structure is 21 ft (6.4 m) long and 19 ft wide. If it were closed, the detour would be 123.7 mi (199 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| 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 226 over Black Canyon Creek built?
It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1989.
What condition is IRR BIA RTE 226 over Black Canyon Creek 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 June 2024.
How much traffic does IRR BIA RTE 226 over Black Canyon Creek carry?
About 5 vehicles per day (2024 count), of which roughly 2% are trucks.
How long is IRR BIA RTE 226 over Black Canyon Creek?
The structure is 21 ft (6.4 m) long with a longest span of 20 ft (6.1 m) and a deck 19 ft wide.
Who owns IRR BIA RTE 226 over Black Canyon Creek?
It is owned by the Bureau of Indian Affairs.