Aetna Springs RD over Swartz Creek
Good Condition114 years old346 vehicles/day
Location
| State | California |
| County | Napa |
| Location | 0.8 Mi W Pope Valley RD |
| Carries | Aetna Springs RD |
| Crosses | Swartz Creek |
| Coordinates | 38.65339, -122.47647 |
Condition Ratings
| Overall Condition | Good |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Masonry |
| Design | Arch - Deck |
| Total Length | 54.1 ft (16.5 m) |
| Max Span | 42.0 ft (12.8 m) |
| Deck Width | 19.4 ft (5.9 m) |
| Deck Area | 97.3 sq m |
| Main Spans | 1 |
| Year Built | 1912 |
Traffic
| Avg Daily Traffic | 346 (2014) |
| Truck Traffic | 10% |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | 524 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is on the National Register of Historic Places |
| Structure Number | 21C0046 |