RD 4791 over Granite CR
Fair Condition62 years old50 vehicles/day
Location
| State | Montana |
| County | Lincoln |
| Location | Lower Granite |
| Carries | RD 4791 |
| Crosses | Granite CR |
| Coordinates | 48.30865, -115.54141 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 4 (Poor) |
| Scour Critical | 4 — Foundations need monitoring |
Physical Characteristics
| Material | Wood or Timber |
| Design | Stringer/Multi-beam |
| Total Length | 40.4 ft (12.3 m) |
| Max Span | 39.0 ft (11.9 m) |
| Deck Width | 15.4 ft (4.7 m) |
| Deck Area | 57.8 sq m |
| Main Spans | 1 |
| Year Built | 1964 |
Traffic
| Avg Daily Traffic | 50 |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | 824 |
| Inspection Frequency | Every 24 months |
| Owner | U.S. Forest Service |
| Historical Significance | Historical significance is not determined |
| Structure Number | 011405000000072 |