IRR - US 2 over Chelsea Creek
PoorRoosevelt County, Montana · 12M E Wolf Point · Structure no. P00001603+00001
- Built
- 1960
- 65 years old
- Condition
- Poor
- inspected December 2024
- Type
- Culvert
- Steel
- Length
- 37 ft
- 2 main spans
- Daily traffic
- 2,054
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
IRR - US 2 over Chelsea Creek is a steel culvert carrying IRR - US 2 over Chelsea Creek in Roosevelt County, Montana. It was built in 1960, so it is 65 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 2,054 vehicles a day, roughly 4% of them trucks, projected to reach 2,157 by 2043. The structure is 37 ft (11.4 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 Chelsea Creek built?
It was built in 1960, making it 65 years old in 2025.
What condition is IRR - US 2 over Chelsea 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 December 2024.
How much traffic does IRR - US 2 over Chelsea Creek carry?
About 2,054 vehicles per day (2023 count), of which roughly 4% are trucks.
How long is IRR - US 2 over Chelsea Creek?
The structure is 37 ft (11.4 m) long with a longest span of 18 ft (5.5 m).
Who owns IRR - US 2 over Chelsea Creek?
It is owned by the State Highway Agency.