Old HWY 312 over Twelve Mile Creek 169
Fair Condition79 years old4,005 vehicles/day
Location
| State | Montana |
| County | Yellowstone |
| Location | 2m W Huntley |
| Carries | Old HWY 312 |
| Crosses | Twelve Mile Creek 169 |
| Coordinates | 45.90151, -108.36372 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 5 (Fair) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Wood or Timber |
| Design | Stringer/Multi-beam |
| Total Length | 100.7 ft (30.7 m) |
| Max Span | 25.3 ft (7.7 m) |
| Deck Width | 32.2 ft (9.8 m) |
| Deck Area | 300.9 sq m |
| Main Spans | 4 |
| Year Built | 1947 |
Traffic
| Avg Daily Traffic | 4,005 (2023) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2024 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | L56788010+03001 |