Grimes-arbuckle RD over Colusa Trough
Good Condition55 years old1,673 vehicles/day
Location
| State | California |
| County | Colusa |
| Location | 4 Mi E Of Old RTE 99w |
| Carries | Grimes-arbuckle RD |
| Crosses | Colusa Trough |
| Coordinates | 39.05646, -122.00472 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 401.9 ft (122.5 m) |
| Max Span | 32.2 ft (9.8 m) |
| Deck Width | 32.8 ft (10 m) |
| Deck Area | 1,225 sq m |
| Main Spans | 13 |
| Year Built | 1971 |
Traffic
| Avg Daily Traffic | 1,673 (2014) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | November 2022 |
| Inspection Frequency | Every 48 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 15C0009 |