S 141 over Nevada Creek
PoorPowell County, Montana · 13M NW Avon · Structure no. P00041013+01391
- Built
- 1936
- 89 years old
- Condition
- Poor
- inspected August 2023
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 58 ft
- 3 main spans
- Daily traffic
- 1,594
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
S 141 over Nevada Creek is a wood or timber stringer/multi-beam or girder carrying S 141 over Nevada Creek in Powell County, Montana. It was built in 1936, so it is 89 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 1,594 vehicles a day, roughly 8% of them trucks, projected to reach 1,873 by 2043. The structure is 58 ft (17.6 m) long and 33 ft wide. 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 |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was S 141 over Nevada Creek built?
It was built in 1936, making it 89 years old in 2025.
What condition is S 141 over Nevada 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 August 2023.
How much traffic does S 141 over Nevada Creek carry?
About 1,594 vehicles per day (2023 count), of which roughly 8% are trucks.
How long is S 141 over Nevada Creek?
The structure is 58 ft (17.6 m) long with a longest span of 19 ft (5.9 m) and a deck 33 ft wide.
Who owns S 141 over Nevada Creek?
It is owned by the State Highway Agency.