Nfsr #275 over Rock Creek
Fair Condition88 years old50 vehicles/day
Location
| State | Montana |
| County | Fergus |
| Location | 3 Mi. N. Of Crystal Lake |
| Carries | Nfsr #275 |
| Crosses | Rock Creek |
| Coordinates | 46.81317, -109.49715 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 4 — Foundations need monitoring |
Physical Characteristics
| Material | Wood or Timber |
| Design | Stringer/Multi-beam |
| Total Length | 25.6 ft (7.8 m) |
| Max Span | 22.3 ft (6.8 m) |
| Deck Width | 21.7 ft (6.6 m) |
| Deck Area | 51.5 sq m |
| Main Spans | 1 |
| Year Built | 1938 |
Traffic
| Avg Daily Traffic | 50 |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 24 months |
| Owner | U.S. Forest Service |
| Historical Significance | Historical significance is not determined |
| Structure Number | 011504000000055 |