IRR BIA RTE 7 over Poplar River
FairRoosevelt County, Montana · 2 KM S of Poplar · Structure no. 00000000000C622
- Built
- 2002
- 23 years old
- Condition
- Fair
- inspected October 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 255 ft
- 2 main spans
- Daily traffic
- 481
- 2024 count
- Owner
- Federal
- Bureau of Indian Affairs
About this bridge
IRR BIA RTE 7 over Poplar River is a prestressed concrete tee beam carrying IRR BIA RTE 7 over Poplar River in Roosevelt County, Montana. It was built in 2002, so it is 23 years old, younger than the Montana average of 47 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 481 vehicles a day, roughly 15% of them trucks, projected to reach 1,053 by 2044. The structure is 255 ft (77.6 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 7 over Poplar River built?
It was built in 2002, making it 23 years old in 2025.
What condition is IRR BIA RTE 7 over Poplar River in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2024.
How much traffic does IRR BIA RTE 7 over Poplar River carry?
About 481 vehicles per day (2024 count), of which roughly 15% are trucks.
How long is IRR BIA RTE 7 over Poplar River?
The structure is 255 ft (77.6 m) long with a longest span of 125 ft (38.1 m) and a deck 31 ft wide.
Who owns IRR BIA RTE 7 over Poplar River?
It is owned by the Bureau of Indian Affairs.