Silverado Trail over Bell Canyon Creek
Good Condition90 years old4,310 vehicles/day
Location
| State | California |
| County | Napa |
| Location | At Glass Mtn RD |
| Carries | Silverado Trail |
| Crosses | Bell Canyon Creek |
| Coordinates | 38.53561, -122.49028 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 4 (Poor) |
| Scour Critical | Unknown |
Physical Characteristics
| Material | Concrete |
| Design | Slab |
| Total Length | 31.2 ft (9.5 m) |
| Max Span | 25.9 ft (7.9 m) |
| Deck Width | 34.1 ft (10.4 m) |
| Deck Area | 98.8 sq m |
| Main Spans | 1 |
| Year Built | 1936 (reconstructed 1976) |
Traffic
| Avg Daily Traffic | 4,310 (2005) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 523 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 21C0001 |