State Route 166 over Huasna River
Fair Condition67 years old2,600 vehicles/day
Location
| State | California |
| County | San Luis Obispo |
| Location | 05-slo-166-16.45 |
| Carries | State Route 166 |
| Crosses | Huasna River |
| Coordinates | 35.02109, -120.32390 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 1569.2 ft (478.3 m) |
| Max Span | 173.9 ft (53 m) |
| Deck Width | 33.5 ft (10.2 m) |
| Deck Area | 4878.7 sq m |
| Main Spans | 9 |
| Year Built | 1959 |
Traffic
| Avg Daily Traffic | 2,600 (2009) |
| Truck Traffic | 24% |
| 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 0178 |