State Route 128 over Cyrus Creek
Good Condition33 years old9,800 vehicles/day
Location
| State | California |
| County | Napa |
| Location | 04-nap-128-3.74 |
| Carries | State Route 128 |
| Crosses | Cyrus Creek |
| Coordinates | 38.58078, -122.59556 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Box Beam - Multiple |
| Total Length | 50.9 ft (15.5 m) |
| Max Span | 50.9 ft (15.5 m) |
| Deck Width | 59.4 ft (18.1 m) |
| Deck Area | 280.6 sq m |
| Main Spans | 1 |
| Year Built | 1993 |
Traffic
| Avg Daily Traffic | 9,800 (2009) |
| Truck Traffic | 4% |
| Lanes On Bridge | 3 |
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 0027 |