Hamilton RD over Biggs Extension Canal
Fair Condition86 years old70 vehicles/day
Location
| State | California |
| County | Butte |
| Location | 1.4 Mi E/o Riceton HWY |
| Carries | Hamilton RD |
| Crosses | Biggs Extension Canal |
| Coordinates | 39.45047, -121.69878 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 5 (Fair) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 51.8 ft (15.8 m) |
| Max Span | 24.0 ft (7.3 m) |
| Deck Width | 24.6 ft (7.5 m) |
| Deck Area | 118.5 sq m |
| Main Spans | 2 |
| Year Built | 1940 |
Traffic
| Avg Daily Traffic | 70 (2016) |
| 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 | 12C0371 |