State Route 299 over Grass Valley Creek
Fair Condition63 years old3,500 vehicles/day
Location
| State | California |
| County | Trinity |
| Location | 02-tri-299-65.45 |
| Carries | State Route 299 |
| Crosses | Grass Valley Creek |
| Coordinates | 40.67462, -122.82738 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 9 (Excellent) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Box Beam - Multiple |
| Total Length | 351.7 ft (107.2 m) |
| Max Span | 85.0 ft (25.9 m) |
| Deck Width | 34.8 ft (10.6 m) |
| Deck Area | 1136.3 sq m |
| Main Spans | 5 |
| Year Built | 1963 (reconstructed 1998) |
Traffic
| Avg Daily Traffic | 3,500 (2009) |
| Truck Traffic | 41% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 323 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 05 0013 |