State Route 128 over Napa River
Fair Condition45 years old2,075 vehicles/day
Location
| State | California |
| County | Napa |
| Location | 04-nap-128-5.25 |
| Carries | State Route 128 |
| Crosses | Napa River |
| Coordinates | 38.46449, -122.41233 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Box Beam - Multiple |
| Total Length | 129.9 ft (39.6 m) |
| Max Span | 65.0 ft (19.8 m) |
| Deck Width | 35.8 ft (10.9 m) |
| Deck Area | 431.6 sq m |
| Main Spans | 2 |
| Year Built | 1981 |
Traffic
| Avg Daily Traffic | 2,075 (2009) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 424 |
| Inspection Frequency | Every 48 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 21 0020 |