S Archer RD over Big Muddy Creek 015
FairSheridan County, Montana · 9M W Plentywood · Structure no. L46425003+05001
- Built
- 1985
- 40 years old
- Condition
- Fair
- inspected January 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 60 ft
- 1 main span
- Daily traffic
- 46
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
S Archer RD over Big Muddy Creek 015 is a prestressed concrete tee beam carrying S Archer RD over Big Muddy Creek 015 in Sheridan County, Montana. It was built in 1985, so it is 40 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 46 vehicles a day, roughly 3% of them trucks, projected to reach 49 by 2043. The structure is 60 ft (18.3 m) long and 26 ft wide. If it were closed, the detour would be 8.7 mi (14 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 | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 S Archer RD over Big Muddy Creek 015 built?
It was built in 1985, making it 40 years old in 2025.
What condition is S Archer RD over Big Muddy Creek 015 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 January 2024.
How much traffic does S Archer RD over Big Muddy Creek 015 carry?
About 46 vehicles per day (2023 count), of which roughly 3% are trucks.
How long is S Archer RD over Big Muddy Creek 015?
The structure is 60 ft (18.3 m) long with a longest span of 57 ft (17.4 m) and a deck 26 ft wide.
Who owns S Archer RD over Big Muddy Creek 015?
It is owned by the County Highway Agency.