Trancas ST over Napa River
Fair Condition66 years old14,755 vehicles/day
Location
| State | California |
| County | Napa |
| Location | 1.3 Mi E SR 29 |
| Carries | Trancas ST |
| Crosses | Napa River |
| Coordinates | 38.32482, -122.28444 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 3 — Scour critical |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Tee Beam |
| Total Length | 341.9 ft (104.2 m) |
| Max Span | 75.8 ft (23.1 m) |
| Deck Width | 64.6 ft (19.7 m) |
| Deck Area | 2052.7 sq m |
| Main Spans | 3 |
| Year Built | 1960 |
Traffic
| Avg Daily Traffic | 14,755 (2017) |
| Truck Traffic | 2% |
| Lanes On Bridge | 4 |
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 | 21C0003 |