E Rio Bonito RD over Hamilton Slough
Good Condition96 years old270 vehicles/day
Location
| State | California |
| County | Butte |
| Location | 0.2 Mi E Of SH 99 |
| Carries | E Rio Bonito RD |
| Crosses | Hamilton Slough |
| Coordinates | 39.42515, -121.68616 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 4 (Poor) |
| Scour Critical | Unknown |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Tee Beam |
| Total Length | 61.0 ft (18.6 m) |
| Max Span | 20.0 ft (6.1 m) |
| Deck Width | 20.7 ft (6.3 m) |
| Deck Area | 117.2 sq m |
| Main Spans | 3 |
| Year Built | 1930 |
Traffic
| Avg Daily Traffic | 270 (2019) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2024 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 12C0164 |