Melville RD over Sweet Grass Creek 01
FairSweet Grass County, Montana · W Melville · Structure no. L49044001+03001
- Built
- 1957
- 68 years old
- Condition
- Fair
- inspected October 2023
- Type
- Tee Beam
- Concrete
- Length
- 110 ft
- 3 main spans
- Daily traffic
- 100
- 2025 count
- Owner
- County
- County Highway Agency
About this bridge
Melville RD over Sweet Grass Creek 01 is a concrete tee beam carrying Melville RD over Sweet Grass Creek 01 in Sweet Grass County, Montana. It was built in 1957, so it is 68 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.
It carries about 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 110 ft (33.5 m) long and 27 ft wide. If it were closed, the detour would be 44.7 mi (72 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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Melville RD over Sweet Grass Creek 01 built?
It was built in 1957, making it 68 years old in 2025.
What condition is Melville RD over Sweet Grass Creek 01 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 Melville RD over Sweet Grass Creek 01 carry?
About 100 vehicles per day (2025 count), of which roughly 3% are trucks.
How long is Melville RD over Sweet Grass Creek 01?
The structure is 110 ft (33.5 m) long with a longest span of 70 ft (21.3 m) and a deck 27 ft wide.
Who owns Melville RD over Sweet Grass Creek 01?
It is owned by the County Highway Agency.