Lower River RD over Sand Coulee Creek
FairCascade County, Montana · 3M S Great Falls · Structure no. S00226001+05191
- Built
- 1937
- 88 years old
- Condition
- Fair
- inspected January 2024
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 58 ft
- 3 main spans
- Daily traffic
- 1,597
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
Lower River RD over Sand Coulee Creek is a wood or timber stringer/multi-beam or girder carrying Lower River RD over Sand Coulee Creek in Cascade County, Montana. It was built in 1937, so it is 88 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 1,597 vehicles a day, roughly 1% of them trucks, projected to reach 1,677 by 2043. The structure is 58 ft (17.7 m) long and 24 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Lower River RD over Sand Coulee Creek built?
It was built in 1937, making it 88 years old in 2025.
What condition is Lower River RD over Sand Coulee Creek 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 Lower River RD over Sand Coulee Creek carry?
About 1,597 vehicles per day (2023 count), of which roughly 1% are trucks.
How long is Lower River RD over Sand Coulee Creek?
The structure is 58 ft (17.7 m) long with a longest span of 19 ft (5.8 m) and a deck 24 ft wide.
Who owns Lower River RD over Sand Coulee Creek?
It is owned by the County Highway Agency.