State Route 99 over Cat Tail Slough
Fair Condition116 years old13,400 vehicles/day
Location
| State | California |
| County | Butte |
| Location | 03-but-099-5.34 |
| Carries | State Route 99 |
| Crosses | Cat Tail Slough |
| Coordinates | 39.38081, -121.68793 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 5 (Fair) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 20.7 ft (6.3 m) |
| Max Span | 19.0 ft (5.8 m) |
| Deck Width | 38.4 ft (11.7 m) |
| Deck Area | 73.7 sq m |
| Main Spans | 1 |
| Year Built | 1910 (reconstructed 1939) |
Traffic
| Avg Daily Traffic | 13,400 (2020) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 423 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 12 0001 |