State Route 20 over Steer Ditch
Good Condition103 years old9,800 vehicles/day
Location
| State | California |
| County | Colusa |
| Location | 03-col-020-36.02 |
| Carries | State Route 20 |
| Crosses | Steer Ditch |
| Coordinates | 39.15823, -121.97448 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Tee Beam |
| Total Length | 43.0 ft (13.1 m) |
| Max Span | 21.0 ft (6.4 m) |
| Deck Width | 43.0 ft (13.1 m) |
| Deck Area | 171.6 sq m |
| Main Spans | 2 |
| Year Built | 1923 (reconstructed 1991) |
Traffic
| Avg Daily Traffic | 9,800 (2013) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 125 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 15 0018 |