Parker RD over Sun River Slough 060
FairPosted for loadCascade County, Montana · 4M W Sun River · Structure no. L07014000+03001
- Built
- 1950
- 75 years old, rebuilt 1972
- Condition
- Fair
- inspected January 2025
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 49 ft
- 2 main spans
- Daily traffic
- 100
- 2025 count
- Owner
- County
- County Highway Agency
About this bridge
Parker RD over Sun River Slough 060 is a wood or timber stringer/multi-beam or girder carrying Parker RD over Sun River Slough 060 in Cascade County, Montana. It was built in 1950 and reconstructed in 1972, so it is 75 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 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 49 ft (14.9 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 | 7 Good | Some minor problems. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 Parker RD over Sun River Slough 060 built?
It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1972.
What condition is Parker RD over Sun River Slough 060 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 Parker RD over Sun River Slough 060 carry?
About 100 vehicles per day (2025 count), of which roughly 3% are trucks.
How long is Parker RD over Sun River Slough 060?
The structure is 49 ft (14.9 m) long with a longest span of 25 ft (7.7 m) and a deck 20 ft wide.
Who owns Parker RD over Sun River Slough 060?
It is owned by the County Highway Agency.