State Route 99 over Rock Creek
Good Condition76 years old11,600 vehicles/day
Location
| State | California |
| County | Butte |
| Location | 03-but-099-40.65 |
| Carries | State Route 99 |
| Crosses | Rock Creek |
| Coordinates | 39.81922, -121.92223 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 145.3 ft (44.3 m) |
| Max Span | 25.9 ft (7.9 m) |
| Deck Width | 43.0 ft (13.1 m) |
| Deck Area | 580.3 sq m |
| Main Spans | 6 |
| Year Built | 1950 (reconstructed 2017) |
Traffic
| Avg Daily Traffic | 11,600 (2020) |
| Truck Traffic | 9% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 424 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 12 0027 |