S 3 over Big Coulee Creek
GoodGolden Valley County, Montana · 1M S Lavina · Structure no. P00053044+08511
- Built
- 1959
- 66 years old
- Condition
- Good
- inspected April 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 101 ft
- 2 main spans
- Daily traffic
- 2,161
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
S 3 over Big Coulee Creek is a prestressed concrete stringer/multi-beam or girder carrying S 3 over Big Coulee Creek 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 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 2,161 vehicles a day, roughly 14% of them trucks, projected to reach 2,312 by 2043. The structure is 101 ft (30.8 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
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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was S 3 over Big Coulee Creek built?
It was built in 1959, making it 66 years old in 2025.
What condition is S 3 over Big Coulee 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 April 2024.
How much traffic does S 3 over Big Coulee Creek carry?
About 2,161 vehicles per day (2023 count), of which roughly 14% are trucks.
How long is S 3 over Big Coulee Creek?
The structure is 101 ft (30.8 m) long with a longest span of 51 ft (15.5 m) and a deck 32 ft wide.
Who owns S 3 over Big Coulee Creek?
It is owned by the State Highway Agency.