Orr Springs RD over South Fork Big River
Fair Condition67 years old1,002 vehicles/day
Location
| State | California |
| County | Mendocino |
| Location | 14.5 Mi W US 101 |
| Carries | Orr Springs RD |
| Crosses | South Fork Big River |
| Coordinates | 39.23721, -123.39233 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Tee Beam |
| Total Length | 54.8 ft (16.7 m) |
| Max Span | 51.5 ft (15.7 m) |
| Deck Width | 24.3 ft (7.4 m) |
| Deck Area | 123.6 sq m |
| Main Spans | 1 |
| Year Built | 1959 |
Traffic
| Avg Daily Traffic | 1,002 (2011) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 224 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 10C0156 |