IRR BIA RTE 40 over Poplar River
GoodRoosevelt County, Montana · 10 KM N of Pryor · Structure no. 00000000000C620
- Built
- 2000
- 25 years old
- Condition
- Good
- inspected October 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 221 ft
- 2 main spans
- Daily traffic
- 200
- 2024 count
- Owner
- Federal
- Bureau of Indian Affairs
About this bridge
IRR BIA RTE 40 over Poplar River is a prestressed concrete tee beam carrying IRR BIA RTE 40 over Poplar River in Roosevelt County, Montana. It was built in 2000, so it is 25 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 200 vehicles a day, roughly 10% of them trucks, projected to reach 234 by 2044. The structure is 221 ft (67.5 m) long and 30 ft wide. If it were closed, the detour would be 16.2 mi (26 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was IRR BIA RTE 40 over Poplar River built?
It was built in 2000, making it 25 years old in 2025.
What condition is IRR BIA RTE 40 over Poplar River 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 40 over Poplar River carry?
About 200 vehicles per day (2024 count), of which roughly 10% are trucks.
How long is IRR BIA RTE 40 over Poplar River?
The structure is 221 ft (67.5 m) long with a longest span of 111 ft (33.8 m) and a deck 30 ft wide.
Who owns IRR BIA RTE 40 over Poplar River?
It is owned by the Bureau of Indian Affairs.