IRR BIA RTE 6 over Box Elder Creek
GoodHill County, Montana · 4 KM NW of Rocky Boys · Structure no. 00000000000C915
- Built
- 1992
- 33 years old
- Condition
- Good
- inspected October 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 21 ft
- 2 main spans
- Daily traffic
- 400
- 2024 count
- Owner
- Federal
- Bureau of Indian Affairs
About this bridge
IRR BIA RTE 6 over Box Elder Creek is a concrete continuous culvert carrying IRR BIA RTE 6 over Box Elder Creek in Hill County, Montana. It was built in 1992, so it is 33 years old, younger 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 400 vehicles a day, roughly 10% of them trucks, projected to reach 468 by 2044. The structure is 21 ft (6.4 m) long and 26 ft wide. If it were closed, the detour would be 5 mi (8 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 |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was IRR BIA RTE 6 over Box Elder Creek built?
It was built in 1992, making it 33 years old in 2025.
What condition is IRR BIA RTE 6 over Box Elder 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 October 2024.
How much traffic does IRR BIA RTE 6 over Box Elder Creek carry?
About 400 vehicles per day (2024 count), of which roughly 10% are trucks.
How long is IRR BIA RTE 6 over Box Elder Creek?
The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3.1 m) and a deck 26 ft wide.
Who owns IRR BIA RTE 6 over Box Elder Creek?
It is owned by the Bureau of Indian Affairs.