Road 66b over Colusa Drain
Fair Condition86 years old64 vehicles/day
Location
| State | California |
| County | Glenn |
| Location | 2 Mi W Of SH 45 |
| Carries | Road 66b |
| Crosses | Colusa Drain |
| Coordinates | 39.42852, -122.05017 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Wood or Timber |
| Design | Stringer/Multi-beam |
| Total Length | 54.1 ft (16.5 m) |
| Max Span | 18.0 ft (5.5 m) |
| Deck Width | 20.0 ft (6.1 m) |
| Deck Area | 100.7 sq m |
| Main Spans | 3 |
| Year Built | 1940 (reconstructed 1974) |
Traffic
| Avg Daily Traffic | 64 (2011) |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | 225 |
| Inspection Frequency | Every 12 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 11C0068 |