Sandstone RD over Sandstone Spillway
FairFallon County, Montana · 7M S Plevna · Structure no. 000000202408080
- Built
- 1974
- 51 years old
- Condition
- Fair
- inspected January 2025
- Type
- Slab
- Concrete
- Length
- 24 ft
- 1 main span
- Daily traffic
- 100
- 2025 count
- Owner
- Local
- Other Local Agency
About this bridge
Sandstone RD over Sandstone Spillway is a concrete slab carrying Sandstone RD over Sandstone Spillway in Fallon County, Montana. It was built in 1974, 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 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 24 ft (7.3 m) long and 32 ft wide. If it were closed, the detour would be 5 mi (8 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Sandstone RD over Sandstone Spillway built?
It was built in 1974, making it 51 years old in 2025.
What condition is Sandstone RD over Sandstone Spillway 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 2025.
How much traffic does Sandstone RD over Sandstone Spillway carry?
About 100 vehicles per day (2025 count), of which roughly 3% are trucks.
How long is Sandstone RD over Sandstone Spillway?
The structure is 24 ft (7.3 m) long with a longest span of 20 ft (6.1 m) and a deck 32 ft wide.
Who owns Sandstone RD over Sandstone Spillway?
It is owned by the Other Local Agency.