Porcupine Ridge RD over Mid Fork Judith Rv 035
Fair Condition18 years old100 vehicles/day
Location
| State | Montana |
| County | Judith Basin |
| Location | 2m S Sapphire |
| Carries | Porcupine Ridge RD |
| Crosses | Mid Fork Judith Rv 035 |
| Coordinates | 46.85921, -110.26282 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 65.6 ft (20 m) |
| Max Span | 35.4 ft (10.8 m) |
| Deck Width | 22.6 ft (6.9 m) |
| Deck Area | 138 sq m |
| Main Spans | 2 |
| Year Built | 2008 |
Traffic
| Avg Daily Traffic | 100 (2025) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 624 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | L23024000+02001 |