State Route 1 over Howard Creek
Good Condition54 years old1,185 vehicles/day
Location
| State | California |
| County | Mendocino |
| Location | 01-men-001-r80.55 |
| Carries | State Route 1 |
| Crosses | Howard Creek |
| Coordinates | 39.67729, -123.78983 |
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 | Prestressed Concrete Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 466.9 ft (142.3 m) |
| Max Span | 92.8 ft (28.3 m) |
| Deck Width | 42.0 ft (12.8 m) |
| Deck Area | 1821.4 sq m |
| Main Spans | 5 |
| Year Built | 1972 |
Traffic
| Avg Daily Traffic | 1,185 (2009) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 923 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 10 0139 |