Oroville Quincy Hy over Lake Madrone Spillway
Fair Condition96 years old542 vehicles/day
Location
| State | California |
| County | Butte |
| Location | At Lake Madrone |
| Carries | Oroville Quincy Hy |
| Crosses | Lake Madrone Spillway |
| Coordinates | 39.64971, -121.40934 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 9 (Excellent) |
| Culvert | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Culvert |
| Total Length | 30.8 ft (9.4 m) |
| Max Span | 9.8 ft (3 m) |
| Deck Width | 21.0 ft (6.4 m) |
| Deck Area | 60.2 sq m |
| Main Spans | 3 |
| Year Built | 1930 |
Traffic
| Avg Daily Traffic | 542 (2019) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | November 2023 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 12C0006 |