S 340 over Plum Coulee Creek
GoodPrairie County, Montana · 1M SE Fallon · Structure no. 000000202006689
- Built
- 2020
- 5 years old
- Condition
- Good
- inspected January 2025
- Type
- Culvert
- Concrete
- Length
- 30 ft
- 2 main spans
- Daily traffic
- 162
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
S 340 over Plum Coulee Creek is a concrete culvert carrying S 340 over Plum Coulee Creek in Prairie County, Montana. It was built in 2020, so it is 5 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 162 vehicles a day, roughly 36% of them trucks, projected to reach 170 by 2043. The structure is 30 ft (9.1 m) long. If it were closed, the detour would be 0.6 mi (1 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 |
|---|---|---|
| Channel and channel protection | 8 Very Good | No problems noted. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was S 340 over Plum Coulee Creek built?
It was built in 2020, making it 5 years old in 2025.
What condition is S 340 over Plum Coulee Creek 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 January 2025.
How much traffic does S 340 over Plum Coulee Creek carry?
About 162 vehicles per day (2023 count), of which roughly 36% are trucks.
How long is S 340 over Plum Coulee Creek?
The structure is 30 ft (9.1 m) long with a longest span of 14 ft (4.3 m).
Who owns S 340 over Plum Coulee Creek?
It is owned by the State Highway Agency.