First Street over State Route 29
Fair Condition62 years old23,200 vehicles/day
Location
| State | California |
| County | Napa |
| Location | 04-nap-029-11.55-nap |
| Carries | First Street |
| Crosses | State Route 29 |
| Coordinates | 38.29991, -122.30317 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 8 (Very Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 295.6 ft (90.1 m) |
| Max Span | 98.4 ft (30 m) |
| Deck Width | 44.9 ft (13.7 m) |
| Deck Area | 1234.4 sq m |
| Main Spans | 2 |
| Year Built | 1964 |
Traffic
| Avg Daily Traffic | 23,200 (1989) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 6 |
Inspection & Ownership
| Last Inspection | 423 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 21 0088 |