S 200 over Dearborn River
Fair Condition77 years old1,432 vehicles/day
Location
| State | Montana |
| County | Lewis and Clark |
| Location | 25m SW Simms |
| Carries | S 200 |
| Crosses | Dearborn River |
| Coordinates | 47.21934, -112.24211 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 5 (Fair) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 186.0 ft (56.7 m) |
| Max Span | 92.5 ft (28.2 m) |
| Deck Width | 27.9 ft (8.5 m) |
| Deck Area | 481.9 sq m |
| Main Spans | 2 |
| Year Built | 1949 |
Traffic
| Avg Daily Traffic | 1,432 (2023) |
| Truck Traffic | 14% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 723 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | P00024102+05011 |