IRR BIA RTE 6 over Lame Deer Creek
GoodRosebud County, Montana · At Lame Deer · Structure no. 00000000000C724
- Built
- 1976
- 49 years old
- Condition
- Good
- inspected June 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 68 ft
- 1 main span
- Daily traffic
- 3,000
- 2024 count
- Owner
- Federal
- Bureau of Indian Affairs
About this bridge
IRR BIA RTE 6 over Lame Deer Creek is a prestressed concrete stringer/multi-beam or girder carrying IRR BIA RTE 6 over Lame Deer Creek in Rosebud County, Montana. It was built in 1976, so it is 49 years old, older than the Montana average of 47 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 3,000 vehicles a day, roughly 5% of them trucks, projected to reach 3,510 by 2044. The structure is 68 ft (20.7 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| 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 6 over Lame Deer Creek built?
It was built in 1976, making it 49 years old in 2025.
What condition is IRR BIA RTE 6 over Lame Deer Creek 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 June 2024.
How much traffic does IRR BIA RTE 6 over Lame Deer Creek carry?
About 3,000 vehicles per day (2024 count), of which roughly 5% are trucks.
How long is IRR BIA RTE 6 over Lame Deer Creek?
The structure is 68 ft (20.7 m) long with a longest span of 65 ft (19.8 m) and a deck 42 ft wide.
Who owns IRR BIA RTE 6 over Lame Deer Creek?
It is owned by the Bureau of Indian Affairs.