Susie Creek RD over Boulder River 045
Fair Condition66 years old100 vehicles/day
Location
| State | Montana |
| County | Sweet Grass |
| Location | 1m S Mcleod |
| Carries | Susie Creek RD |
| Crosses | Boulder River 045 |
| Coordinates | 45.63869, -110.11279 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 5 (Fair) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Wood or Timber |
| Design | Stringer/Multi-beam |
| Total Length | 118.1 ft (36 m) |
| Max Span | 59.1 ft (18 m) |
| Deck Width | 16.1 ft (4.9 m) |
| Deck Area | 176.4 sq m |
| Main Spans | 1 |
| Year Built | 1960 (reconstructed 1997) |
Traffic
| Avg Daily Traffic | 100 (2025) |
| Truck Traffic | 3% |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | 824 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | L49126000+02001 |