Marron Creek RD over Drainage 051
FairSheridan County, Montana · 13M E Plentywood · Structure no. L46107002+01001
- Built
- 1979
- 46 years old
- Condition
- Fair
- inspected December 2023
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 30 ft
- 1 main span
- Daily traffic
- 100
- 2025 count
- Owner
- County
- County Highway Agency
About this bridge
Marron Creek RD over Drainage 051 is a prestressed concrete tee beam carrying Marron Creek RD over Drainage 051 in Sheridan County, Montana. It was built in 1979, so it is 46 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 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 30 ft (9.1 m) long and 24 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| 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 Marron Creek RD over Drainage 051 built?
It was built in 1979, making it 46 years old in 2025.
What condition is Marron Creek RD over Drainage 051 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 December 2023.
How much traffic does Marron Creek RD over Drainage 051 carry?
About 100 vehicles per day (2025 count), of which roughly 3% are trucks.
How long is Marron Creek RD over Drainage 051?
The structure is 30 ft (9.1 m) long with a longest span of 29 ft (8.8 m) and a deck 24 ft wide.
Who owns Marron Creek RD over Drainage 051?
It is owned by the County Highway Agency.