Lima Dam RD over Red Rock River 007
FairPosted for loadBeaverhead County, Montana · 6M E Lima · Structure no. L01205005+02001
- Built
- 1982
- 43 years old
- Condition
- Fair
- inspected December 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 45 ft
- 1 main span
- Daily traffic
- 118
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
Lima Dam RD over Red Rock River 007 is a steel stringer/multi-beam or girder carrying Lima Dam RD over Red Rock River 007 in Beaverhead County, Montana. It was built in 1982, so it is 43 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 5 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 118 vehicles a day, roughly 3% of them trucks, projected to reach 126 by 2043. The structure is 45 ft (13.7 m) long and 19 ft wide. If it were closed, the detour would be 49.7 mi (80 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 7 Good | Some minor problems. |
| 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 Lima Dam RD over Red Rock River 007 built?
It was built in 1982, making it 43 years old in 2025.
What condition is Lima Dam RD over Red Rock River 007 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 December 2023.
How much traffic does Lima Dam RD over Red Rock River 007 carry?
About 118 vehicles per day (2023 count), of which roughly 3% are trucks.
How long is Lima Dam RD over Red Rock River 007?
The structure is 45 ft (13.7 m) long with a longest span of 32 ft (9.8 m) and a deck 19 ft wide.
Who owns Lima Dam RD over Red Rock River 007?
It is owned by the County Highway Agency.