State Route 121 over Tulucay Creek
Fair Condition108 years old22,850 vehicles/day
Location
| State | California |
| County | Napa |
| Location | 04-nap-121-6.42-nap |
| Carries | State Route 121 |
| Crosses | Tulucay Creek |
| Coordinates | 38.28663, -122.27465 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 5 (Fair) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Tee Beam |
| Total Length | 44.6 ft (13.6 m) |
| Max Span | 21.3 ft (6.5 m) |
| Deck Width | 71.9 ft (21.9 m) |
| Deck Area | 297.8 sq m |
| Main Spans | 2 |
| Year Built | 1918 (reconstructed 1944) |
Traffic
| Avg Daily Traffic | 22,850 (2009) |
| Truck Traffic | 4% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | 424 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 21 0003 |