E Redstone RD over Big Muddy Creek 021
FairSheridan County, Montana · E Redstone · Structure no. L46006000+05001
- Built
- 1960
- 65 years old, rebuilt 1985
- Condition
- Fair
- inspected November 2023
- Type
- Channel Beam
- Prestressed Concrete
- Length
- 57 ft
- 1 main span
- Daily traffic
- 100
- 2025 count
- Owner
- County
- County Highway Agency
About this bridge
E Redstone RD over Big Muddy Creek 021 is a prestressed concrete channel beam carrying E Redstone RD over Big Muddy Creek 021 in Sheridan County, Montana. It was built in 1960 and reconstructed in 1985, so it is 65 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 57 ft (17.4 m) long and 24 ft wide. If it were closed, the detour would be 18 mi (29 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was E Redstone RD over Big Muddy Creek 021 built?
It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1985.
What condition is E Redstone RD over Big Muddy Creek 021 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 E Redstone RD over Big Muddy Creek 021 carry?
About 100 vehicles per day (2025 count), of which roughly 3% are trucks.
How long is E Redstone RD over Big Muddy Creek 021?
The structure is 57 ft (17.4 m) long with a longest span of 56 ft (17.1 m) and a deck 24 ft wide.
Who owns E Redstone RD over Big Muddy Creek 021?
It is owned by the County Highway Agency.