La Grande RD over Glenn Valley Slough
Good Condition55 years old35 vehicles/day
Location
| State | California |
| County | Colusa |
| Location | 1.0 Mi W Of Danley RD |
| Carries | La Grande RD |
| Crosses | Glenn Valley Slough |
| Coordinates | 39.19358, -122.26391 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete |
| Design | Slab |
| Total Length | 29.5 ft (9 m) |
| Max Span | 27.9 ft (8.5 m) |
| Deck Width | 26.6 ft (8.1 m) |
| Deck Area | 72.9 sq m |
| Main Spans | 1 |
| Year Built | 1971 |
Traffic
| Avg Daily Traffic | 35 (2015) |
| Truck Traffic | 1% |
| 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 | 15C0169 |