Lower Sweet Grass over Sweet Grass Creek 01
GoodSweet Grass County, Montana · 12M NE Big Timber · Structure no. 000000000004513
- Built
- 2017
- 8 years old
- Condition
- Good
- inspected February 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 102 ft
- 1 main span
- Daily traffic
- 15
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
Lower Sweet Grass over Sweet Grass Creek 01 is a prestressed concrete stringer/multi-beam or girder carrying Lower Sweet Grass over Sweet Grass Creek 01 in Sweet Grass County, Montana. It was built in 2017, so it is 8 years old, younger 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 15 vehicles a day, roughly 3% of them trucks, projected to reach 16 by 2043. The structure is 102 ft (31.1 m) long and 24 ft wide. If it were closed, the detour would be 24.9 mi (40 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 Lower Sweet Grass over Sweet Grass Creek 01 built?
It was built in 2017, making it 8 years old in 2025.
What condition is Lower Sweet Grass over Sweet Grass Creek 01 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 February 2024.
How much traffic does Lower Sweet Grass over Sweet Grass Creek 01 carry?
About 15 vehicles per day (2023 count), of which roughly 3% are trucks.
How long is Lower Sweet Grass over Sweet Grass Creek 01?
The structure is 102 ft (31.1 m) long with a longest span of 98 ft (29.9 m) and a deck 24 ft wide.
Who owns Lower Sweet Grass over Sweet Grass Creek 01?
It is owned by the County Highway Agency.