S 297 over Roberts Creek
GoodWheatland County, Montana · 8M N Shawmut · Structure no. S00297008+04001
- Built
- 1974
- 51 years old
- Condition
- Good
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 71 ft
- 1 main span
- Daily traffic
- 61
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
S 297 over Roberts Creek is a prestressed concrete stringer/multi-beam or girder carrying S 297 over Roberts Creek in Wheatland County, Montana. It was built in 1974, so it is 51 years old, older than the Montana average of 47 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 61 vehicles a day, roughly 2% of them trucks, projected to reach 64 by 2043. The structure is 71 ft (21.6 m) long and 30 ft wide. If it were closed, the detour would be 29.8 mi (48 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| 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 S 297 over Roberts Creek built?
It was built in 1974, making it 51 years old in 2025.
What condition is S 297 over Roberts Creek in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2024.
How much traffic does S 297 over Roberts Creek carry?
About 61 vehicles per day (2023 count), of which roughly 2% are trucks.
How long is S 297 over Roberts Creek?
The structure is 71 ft (21.6 m) long with a longest span of 70 ft (21.3 m) and a deck 30 ft wide.
Who owns S 297 over Roberts Creek?
It is owned by the State Highway Agency.