IRR BIA RTE 191 over Two Medicine Creek
PoorGlacier County, Montana · Below Lwr 2 Medicine Dam · Structure no. 00000000000C120
- Built
- 1969
- 56 years old
- Condition
- Poor
- inspected September 2023
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 175 ft
- 6 main spans
- Daily traffic
- 50
- 2023 count
- Owner
- Federal
- Bureau of Indian Affairs
About this bridge
IRR BIA RTE 191 over Two Medicine Creek is a wood or timber stringer/multi-beam or girder carrying IRR BIA RTE 191 over Two Medicine Creek in Glacier County, Montana. It was built in 1969, so it is 56 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 50 vehicles a day, roughly 5% of them trucks, projected to reach 65 by 2043. The structure is 175 ft (53.3 m) long and 24 ft wide. If it were closed, the detour would be 9.9 mi (16 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, 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 191 over Two Medicine Creek built?
It was built in 1969, making it 56 years old in 2025.
What condition is IRR BIA RTE 191 over Two Medicine 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 September 2023.
How much traffic does IRR BIA RTE 191 over Two Medicine Creek carry?
About 50 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is IRR BIA RTE 191 over Two Medicine Creek?
The structure is 175 ft (53.3 m) long with a longest span of 29 ft (8.8 m) and a deck 24 ft wide.
Who owns IRR BIA RTE 191 over Two Medicine Creek?
It is owned by the Bureau of Indian Affairs.