Spring Mountain RD over Hillside
Fair Condition17 years old450 vehicles/day
Location
| State | California |
| County | Napa |
| Location | 3 Mi West Of Madrona AVE |
| Carries | Spring Mountain RD |
| Crosses | Hillside |
| Coordinates | 38.51633, -122.51726 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 5 (Fair) |
| Substructure | 5 (Fair) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 61.0 ft (18.6 m) |
| Max Span | 15.1 ft (4.6 m) |
| Deck Width | 10.8 ft (3.3 m) |
| Deck Area | 61.4 sq m |
| Main Spans | 4 |
| Year Built | 2009 |
Traffic
| Avg Daily Traffic | 450 (2006) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 524 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 21C0131 |