Quincy-la Porte RD over Middle Fork Feather Riv
Fair Condition51 years old180 vehicles/day
Location
| State | California |
| County | Plumas |
| Location | 7.9 Mi S/w SH 70 |
| Carries | Quincy-la Porte RD |
| Crosses | Middle Fork Feather Riv |
| Coordinates | 39.85924, -120.84982 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Box Beam - Multiple |
| Total Length | 269.0 ft (82 m) |
| Max Span | 106.0 ft (32.3 m) |
| Deck Width | 28.5 ft (8.7 m) |
| Deck Area | 713.4 sq m |
| Main Spans | 3 |
| Year Built | 1975 |
Traffic
| Avg Daily Traffic | 180 (2019) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2023 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 09C0004 |