State Route 166 over Cuyama River
Good Condition46 years old2,900 vehicles/day
Location
| State | California |
| County | San Luis Obispo |
| Location | 05-slo-166-r51.02 |
| Carries | State Route 166 |
| Crosses | Cuyama River |
| Coordinates | 35.04136, -119.88817 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Box Beam - Multiple |
| Total Length | 507.2 ft (154.6 m) |
| Max Span | 149.9 ft (45.7 m) |
| Deck Width | 35.4 ft (10.8 m) |
| Deck Area | 1669.7 sq m |
| Main Spans | 4 |
| Year Built | 1980 |
Traffic
| Avg Daily Traffic | 2,900 (2009) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 524 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 49 0043 |