S 529-CLEAR CR RD over Red Rock Creek
FairBlaine County, Montana · Chinook · Structure no. S00529000+00001
- Built
- 1967
- 58 years old
- Condition
- Fair
- inspected October 2023
- Type
- Slab
- Concrete Continuous
- Length
- 86 ft
- 4 main spans
- Daily traffic
- 256
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
S 529-CLEAR CR RD over Red Rock Creek is a concrete continuous slab carrying S 529-CLEAR CR RD over Red Rock Creek in Blaine County, Montana. It was built in 1967, so it is 58 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 5 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 256 vehicles a day, roughly 1% of them trucks, projected to reach 269 by 2043. The structure is 86 ft (26.2 m) long and 37 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 S 529-CLEAR CR RD over Red Rock Creek built?
It was built in 1967, making it 58 years old in 2025.
What condition is S 529-CLEAR CR RD over Red Rock 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 October 2023.
How much traffic does S 529-CLEAR CR RD over Red Rock Creek carry?
About 256 vehicles per day (2023 count), of which roughly 1% are trucks.
How long is S 529-CLEAR CR RD over Red Rock Creek?
The structure is 86 ft (26.2 m) long with a longest span of 23 ft (7 m) and a deck 37 ft wide.
Who owns S 529-CLEAR CR RD over Red Rock Creek?
It is owned by the State Highway Agency.