Orr Springs RD over South Fork Big River
Fair Condition55 years old134 vehicles/day
Location
| State | California |
| County | Mendocino |
| Location | 13.5 Mi W US 101 |
| Carries | Orr Springs RD |
| Crosses | South Fork Big River |
| Coordinates | 39.23543, -123.37821 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 5 (Fair) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 63.3 ft (19.3 m) |
| Max Span | 59.1 ft (18 m) |
| Deck Width | 28.5 ft (8.7 m) |
| Deck Area | 167.9 sq m |
| Main Spans | 1 |
| Year Built | 1971 |
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 | 10C0157 |