12 Mile Road over 12 Mile Creek 197
Good Condition21 years old100 vehicles/day
Location
| State | Montana |
| County | Yellowstone |
| Location | 3m SW Shepherd |
| Carries | 12 Mile Road |
| Crosses | 12 Mile Creek 197 |
| Coordinates | 45.90713, -108.38400 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Tee Beam |
| Total Length | 44.0 ft (13.4 m) |
| Max Span | 40.0 ft (12.2 m) |
| Deck Width | 29.9 ft (9.1 m) |
| Deck Area | 121.9 sq m |
| Main Spans | 1 |
| Year Built | 2005 |
Traffic
| Avg Daily Traffic | 100 (2025) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | L56753000+05001 |