Orr Springs RD over South Fork Big River
Fair Condition53 years old134 vehicles/day
Location
| State | California |
| County | Mendocino |
| Location | 13.4 Mi W US 101 |
| Carries | Orr Springs RD |
| Crosses | South Fork Big River |
| Coordinates | 39.23565, -123.37512 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 5 (Fair) |
| Culvert | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Culvert |
| Total Length | 41.7 ft (12.7 m) |
| Max Span | 19.4 ft (5.9 m) |
| Deck Area | 91.4 sq m |
| Main Spans | 2 |
| Year Built | 1973 |
Traffic
| Avg Daily Traffic | 134 (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 | 10C0158 |