State Route 178 over Kern River
Fair Condition55 years old4,200 vehicles/day
Location
| State | California |
| County | Kern |
| Location | 06-ker-178-r41.16 |
| Carries | State Route 178 |
| Crosses | Kern River |
| Coordinates | 35.60719, -118.49601 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Box Beam - Multiple |
| Total Length | 356.0 ft (108.5 m) |
| Max Span | 169.9 ft (51.8 m) |
| Deck Width | 62.0 ft (18.9 m) |
| Deck Area | 2050.7 sq m |
| Main Spans | 3 |
| Year Built | 1971 |
Traffic
| Avg Daily Traffic | 4,200 (2009) |
| Truck Traffic | 8% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | December 2024 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 50 0281 |