Seminary ST over Napa Creek
Good Condition122 years old1,446 vehicles/day
Location
| State | California |
| County | Napa |
| Location | At Arroyo |
| Carries | Seminary ST |
| Crosses | Napa Creek |
| Coordinates | 38.30077, -122.29044 |
Condition Ratings
| Overall Condition | Good |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Masonry |
| Design | Arch - Deck |
| Total Length | 55.1 ft (16.8 m) |
| Max Span | 46.9 ft (14.3 m) |
| Deck Width | 50.5 ft (15.4 m) |
| Deck Area | 258.7 sq m |
| Main Spans | 1 |
| Year Built | 1904 (reconstructed 1933) |
Traffic
| Avg Daily Traffic | 1,446 (2011) |
| Truck Traffic | 1% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 823 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 21C0092 |