Old 99w over Petroleum Creek
Fair Condition90 years old1,616 vehicles/day
Location
| State | California |
| County | Colusa |
| Location | 2.2 Mi N Yolo Co Line |
| Carries | Old 99w |
| Crosses | Petroleum Creek |
| Coordinates | 38.95376, -122.01483 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 3 (Serious) |
| Scour Critical | 3 — Scour critical |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 38.4 ft (11.7 m) |
| Max Span | 18.0 ft (5.5 m) |
| Deck Width | 37.4 ft (11.4 m) |
| Deck Area | 133.4 sq m |
| Main Spans | 2 |
| Year Built | 1936 |
Traffic
| Avg Daily Traffic | 1,616 (2014) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2023 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 15C0042 |