IRR - US 2 over Drainage
PoorRoosevelt County, Montana · 3M E Poplar · Structure no. P00001615+02681
- Built
- 1970
- 55 years old
- Condition
- Poor
- inspected December 2024
- Type
- Culvert
- Steel
- Length
- 21 ft
- 2 main spans
- Daily traffic
- 1,452
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
IRR - US 2 over Drainage is a steel culvert carrying IRR - US 2 over Drainage in Roosevelt County, Montana. It was built in 1970, so it is 55 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 1,452 vehicles a day, roughly 5% of them trucks, projected to reach 1,525 by 2043. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 123.7 mi (199 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 |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was IRR - US 2 over Drainage built?
It was built in 1970, making it 55 years old in 2025.
What condition is IRR - US 2 over Drainage 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 December 2024.
How much traffic does IRR - US 2 over Drainage carry?
About 1,452 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is IRR - US 2 over Drainage?
The structure is 21 ft (6.4 m) long with a longest span of 9 ft (2.6 m).
Who owns IRR - US 2 over Drainage?
It is owned by the State Highway Agency.