S 3 over Musselshell River
FairGolden Valley County, Montana · Lavina · Structure no. P00053045+05521
- Built
- 1959
- 66 years old
- Condition
- Fair
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 143 ft
- 3 main spans
- Daily traffic
- 2,161
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
S 3 over Musselshell River is a prestressed concrete stringer/multi-beam or girder carrying S 3 over Musselshell River in Golden Valley County, Montana. It was built in 1959, so it is 66 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 2,161 vehicles a day, roughly 14% of them trucks, projected to reach 2,312 by 2043. The structure is 143 ft (43.6 m) long and 32 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 | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 3 over Musselshell River built?
It was built in 1959, making it 66 years old in 2025.
What condition is S 3 over Musselshell River 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 September 2024.
How much traffic does S 3 over Musselshell River carry?
About 2,161 vehicles per day (2023 count), of which roughly 14% are trucks.
How long is S 3 over Musselshell River?
The structure is 143 ft (43.6 m) long with a longest span of 62 ft (18.9 m) and a deck 32 ft wide.
Who owns S 3 over Musselshell River?
It is owned by the State Highway Agency.