State Route 299 over Grass Valley Creek
Fair Condition64 years old3,500 vehicles/day
Location
| State | California |
| County | Trinity |
| Location | 02-tri-299-65.80 |
| Carries | State Route 299 |
| Crosses | Grass Valley Creek |
| Coordinates | 40.67174, -122.82254 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 5 (Fair) |
| Substructure | 7 (Good) |
| Channel/Waterway | 9 (Excellent) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Box Beam - Multiple |
| Total Length | 568.6 ft (173.3 m) |
| Max Span | 87.9 ft (26.8 m) |
| Deck Width | 35.1 ft (10.7 m) |
| Deck Area | 1854.3 sq m |
| Main Spans | 7 |
| Year Built | 1962 (reconstructed 1997) |
Traffic
| Avg Daily Traffic | 3,500 (2009) |
| Truck Traffic | 23% |
| 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 0010 |