S 200 over Mill Coulee Creek
GoodCascade County, Montana · 1M NE Sun River · Structure no. P00024139+00991
- Built
- 1996
- 29 years old
- Condition
- Good
- inspected November 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 69 ft
- 1 main span
- Daily traffic
- 2,505
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
S 200 over Mill Coulee Creek is a prestressed concrete stringer/multi-beam or girder carrying S 200 over Mill Coulee Creek in Cascade County, Montana. It was built in 1996, so it is 29 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 2,505 vehicles a day, roughly 7% of them trucks, projected to reach 2,630 by 2043. The structure is 69 ft (21 m) long and 43 ft wide. If it were closed, the detour would be 18 mi (29 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 | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was S 200 over Mill Coulee Creek built?
It was built in 1996, making it 29 years old in 2025.
What condition is S 200 over Mill 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 November 2024.
How much traffic does S 200 over Mill Coulee Creek carry?
About 2,505 vehicles per day (2023 count), of which roughly 7% are trucks.
How long is S 200 over Mill Coulee Creek?
The structure is 69 ft (21 m) long with a longest span of 68 ft (20.7 m) and a deck 43 ft wide.
Who owns S 200 over Mill Coulee Creek?
It is owned by the State Highway Agency.