Larb Creek RD over South Coulee 085
FairPosted for loadValley County, Montana · 21M S Saco · Structure no. L53502075+08001
- Built
- 1960
- 65 years old, rebuilt 1997
- Condition
- Fair
- inspected April 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 34 ft
- 1 main span
- Daily traffic
- 51
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
Larb Creek RD over South Coulee 085 is a steel stringer/multi-beam or girder carrying Larb Creek RD over South Coulee 085 in Valley County, Montana. It was built in 1960 and reconstructed in 1997, 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.
It carries about 51 vehicles a day, roughly 3% of them trucks, projected to reach 54 by 2043. The structure is 34 ft (10.5 m) long and 20 ft wide. If it were closed, the detour would be 123.7 mi (199 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 Larb Creek RD over South Coulee 085 built?
It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1997.
What condition is Larb Creek RD over South Coulee 085 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 April 2024.
How much traffic does Larb Creek RD over South Coulee 085 carry?
About 51 vehicles per day (2023 count), of which roughly 3% are trucks.
How long is Larb Creek RD over South Coulee 085?
The structure is 34 ft (10.5 m) long with a longest span of 33 ft (10.1 m) and a deck 20 ft wide.
Who owns Larb Creek RD over South Coulee 085?
It is owned by the County Highway Agency.