Orvle Chico HWY over Hamlin Slough
Poor Condition106 years old300 vehicles/day
Location
| State | California |
| County | Butte |
| Location | 1.1 Mi NW Durham HWY |
| Carries | Orvle Chico HWY |
| Crosses | Hamlin Slough |
| Coordinates | 39.65341, -121.74069 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 4 (Poor) |
| Superstructure | 5 (Fair) |
| Substructure | 4 (Poor) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | Unknown |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 59.7 ft (18.2 m) |
| Max Span | 20.0 ft (6.1 m) |
| Deck Width | 27.9 ft (8.5 m) |
| Deck Area | 154.7 sq m |
| Main Spans | 3 |
| Year Built | 1920 (reconstructed 1975) |
Traffic
| Avg Daily Traffic | 300 (2018) |
| Truck Traffic | 14% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 524 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 12C0029 |