S 200 over Flat Creek
Fair Condition40 years old1,507 vehicles/day
Location
| State | Montana |
| County | Lewis and Clark |
| Location | 16m SW Simms |
| Carries | S 200 |
| Crosses | Flat Creek |
| Coordinates | 47.30345, -112.12200 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 6 (Satisfactory) |
| Culvert | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Culvert |
| Total Length | 41.0 ft (12.5 m) |
| Max Span | 15.1 ft (4.6 m) |
| Deck Area | 146.2 sq m |
| Main Spans | 2 |
| Year Built | 1986 |
Traffic
| Avg Daily Traffic | 1,507 (2023) |
| Truck Traffic | 11% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | December 2023 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | P00024111+02361 |