Oswego North RD over West Fork Wolf Creek 057
FairValley County, Montana · 17M N Oswego · Structure no. L53216017+02001
- Built
- 1950
- 75 years old, rebuilt 1982
- Condition
- Fair
- inspected November 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 62 ft
- 2 main spans
- Daily traffic
- 100
- 2025 count
- Owner
- County
- County Highway Agency
About this bridge
Oswego North RD over West Fork Wolf Creek 057 is a steel continuous stringer/multi-beam or girder carrying Oswego North RD over West Fork Wolf Creek 057 in Valley County, Montana. It was built in 1950 and reconstructed in 1982, so it is 75 years old, older 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 5 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 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 62 ft (18.9 m) long and 20 ft wide. If it were closed, the detour would be 29.8 mi (48 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Oswego North RD over West Fork Wolf Creek 057 built?
It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1982.
What condition is Oswego North RD over West Fork Wolf Creek 057 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 November 2023.
How much traffic does Oswego North RD over West Fork Wolf Creek 057 carry?
About 100 vehicles per day (2025 count), of which roughly 3% are trucks.
How long is Oswego North RD over West Fork Wolf Creek 057?
The structure is 62 ft (18.9 m) long with a longest span of 30 ft (9.1 m) and a deck 20 ft wide.
Who owns Oswego North RD over West Fork Wolf Creek 057?
It is owned by the County Highway Agency.