Blackwood RD over Hyalite Creek 052
Fair Condition55 years old100 vehicles/day
Location
| State | Montana |
| County | Gallatin |
| Location | 4m SW Bozeman |
| Carries | Blackwood RD |
| Crosses | Hyalite Creek 052 |
| Coordinates | 45.64177, -111.13137 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 5 (Fair) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 4 (Poor) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Wood or Timber |
| Design | Stringer/Multi-beam |
| Total Length | 30.8 ft (9.4 m) |
| Max Span | 28.9 ft (8.8 m) |
| Deck Width | 24.9 ft (7.6 m) |
| Deck Area | 71.4 sq m |
| Main Spans | 1 |
| Year Built | 1971 |
Traffic
| Avg Daily Traffic | 100 (2025) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 623 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | L16739003+04001 |