RD 231 over Libby CR
Good Condition42 years old99 vehicles/day
Location
| State | Montana |
| County | Lincoln |
| Location | Libby CR |
| Carries | RD 231 |
| Crosses | Libby CR |
| Coordinates | 48.21485, -115.48186 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 9 (Excellent) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 91.9 ft (28 m) |
| Max Span | 89.9 ft (27.4 m) |
| Deck Width | 18.7 ft (5.7 m) |
| Deck Area | 159.6 sq m |
| Main Spans | 1 |
| Year Built | 1984 |
Traffic
| Avg Daily Traffic | 99 |
| 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 | 011405000000224 |