State Route 29 NB over Napa Valley Corporate DR
Fair Condition45 years old22,500 vehicles/day
Location
| State | California |
| County | Napa |
| Location | 04-nap-029-r6.64 |
| Carries | State Route 29 NB |
| Crosses | Napa Valley Corporate DR |
| Coordinates | 38.24324, -122.27702 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 7 (Good) |
| Substructure | 5 (Fair) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 138.5 ft (42.2 m) |
| Max Span | 136.2 ft (41.5 m) |
| Deck Width | 41.7 ft (12.7 m) |
| Deck Area | 535.9 sq m |
| Main Spans | 1 |
| Year Built | 1981 |
Traffic
| Avg Daily Traffic | 22,500 (2009) |
| Truck Traffic | 7% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 2 |
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 0094R |