S 13 over S Fork Buffalo Creek
FairMcCone County, Montana · 8M NE Circle · Structure no. P00025008+05121
- Built
- 1988
- 37 years old
- Condition
- Fair
- inspected March 2023
- Type
- Slab
- Concrete Continuous
- Length
- 61 ft
- 3 main spans
- Daily traffic
- 792
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
S 13 over S Fork Buffalo Creek is a concrete continuous slab carrying S 13 over S Fork Buffalo Creek in McCone County, Montana. It was built in 1988, so it is 37 years old, younger 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 6 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 792 vehicles a day, roughly 20% of them trucks, projected to reach 832 by 2043. The structure is 61 ft (18.7 m) long and 42 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 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was S 13 over S Fork Buffalo Creek built?
It was built in 1988, making it 37 years old in 2025.
What condition is S 13 over S Fork Buffalo Creek 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 March 2023.
How much traffic does S 13 over S Fork Buffalo Creek carry?
About 792 vehicles per day (2023 count), of which roughly 20% are trucks.
How long is S 13 over S Fork Buffalo Creek?
The structure is 61 ft (18.7 m) long with a longest span of 23 ft (7 m) and a deck 42 ft wide.
Who owns S 13 over S Fork Buffalo Creek?
It is owned by the State Highway Agency.