State Route 121 over Tulucay Creek
Good Condition77 years old27,000 vehicles/day
Location
| State | California |
| County | Napa |
| Location | 04-nap-121-r5.71 |
| Carries | State Route 121 |
| Crosses | Tulucay Creek |
| Coordinates | 38.28075, -122.27781 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 62.0 ft (18.9 m) |
| Max Span | 24.0 ft (7.3 m) |
| Deck Width | 92.8 ft (28.3 m) |
| Deck Area | 534.9 sq m |
| Main Spans | 3 |
| Year Built | 1949 (reconstructed 1997) |
Traffic
| Avg Daily Traffic | 27,000 (2009) |
| Truck Traffic | 2% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | 422 |
| Inspection Frequency | Every 48 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 21 0077 |