IRR BIA RTE 13 over Cut Bank Creek
GoodGlacier County, Montana · 6.4 KM N Blackfeet School · Structure no. 00000000000C113
- Built
- 1966
- 59 years old
- Condition
- Good
- inspected September 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 112 ft
- 2 main spans
- Daily traffic
- 60
- 2023 count
- Owner
- Federal
- Bureau of Indian Affairs
About this bridge
IRR BIA RTE 13 over Cut Bank Creek is a prestressed concrete stringer/multi-beam or girder carrying IRR BIA RTE 13 over Cut Bank Creek in Glacier County, Montana. It was built in 1966, so it is 59 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 60 vehicles a day, roughly 20% of them trucks, projected to reach 70 by 2043. The structure is 112 ft (34.1 m) long and 27 ft wide. If it were closed, the detour would be 24.9 mi (40 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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| 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 13 over Cut Bank Creek built?
It was built in 1966, making it 59 years old in 2025.
What condition is IRR BIA RTE 13 over Cut Bank 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 September 2023.
How much traffic does IRR BIA RTE 13 over Cut Bank Creek carry?
About 60 vehicles per day (2023 count), of which roughly 20% are trucks.
How long is IRR BIA RTE 13 over Cut Bank Creek?
The structure is 112 ft (34.1 m) long with a longest span of 55 ft (16.8 m) and a deck 27 ft wide.
Who owns IRR BIA RTE 13 over Cut Bank Creek?
It is owned by the Bureau of Indian Affairs.