Six Mile Creek RD over Six Mile Creek 055
FairPark County, Montana · 6M S Emigrant · Structure no. L34209003+01001
- Built
- 1974
- 51 years old, rebuilt 2008
- Condition
- Fair
- inspected May 2024
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 31 ft
- 1 main span
- Daily traffic
- 100
- 2025 count
- Owner
- County
- County Highway Agency
About this bridge
Six Mile Creek RD over Six Mile Creek 055 is a wood or timber stringer/multi-beam or girder carrying Six Mile Creek RD over Six Mile Creek 055 in Park County, Montana. It was built in 1974 and reconstructed in 2008, so it is 51 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 31 ft (9.4 m) long and 16 ft wide. If it were closed, the detour would be 14.9 mi (24 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 | 7 Good | Some minor problems. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, 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 Six Mile Creek RD over Six Mile Creek 055 built?
It was built in 1974, making it 51 years old in 2025. It was reconstructed in 2008.
What condition is Six Mile Creek RD over Six Mile Creek 055 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 May 2024.
How much traffic does Six Mile Creek RD over Six Mile Creek 055 carry?
About 100 vehicles per day (2025 count), of which roughly 3% are trucks.
How long is Six Mile Creek RD over Six Mile Creek 055?
The structure is 31 ft (9.4 m) long with a longest span of 25 ft (7.5 m) and a deck 16 ft wide.
Who owns Six Mile Creek RD over Six Mile Creek 055?
It is owned by the County Highway Agency.