Walnut Drive over Glenn-colusa Canal
Fair Condition86 years old650 vehicles/day
Location
| State | California |
| County | Colusa |
| Location | 0.2 Mi W Zumwalt RD |
| Carries | Walnut Drive |
| Crosses | Glenn-colusa Canal |
| Coordinates | 39.11955, -122.15618 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 23.0 ft (7 m) |
| Max Span | 11.2 ft (3.4 m) |
| Deck Width | 23.6 ft (7.2 m) |
| Deck Area | 50.4 sq m |
| Main Spans | 2 |
| Year Built | 1940 |
Traffic
| Avg Daily Traffic | 650 (2015) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | December 2024 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 15C0055 |