Loon Lake RD over Fortine Creek 131
Fair Condition45 years old100 vehicles/day
Location
| State | Montana |
| County | Lincoln |
| Location | W Trego |
| Carries | Loon Lake RD |
| Crosses | Fortine Creek 131 |
| Coordinates | 48.70234, -114.88095 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Tee Beam |
| Total Length | 60.4 ft (18.4 m) |
| Max Span | 58.1 ft (17.7 m) |
| Deck Width | 16.1 ft (4.9 m) |
| Deck Area | 90.2 sq m |
| Main Spans | 1 |
| Year Built | 1981 |
Traffic
| Avg Daily Traffic | 100 (2025) |
| Truck Traffic | 3% |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | 924 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | L27086000+01001 |