Old 99w over Glenn Valley Slough Oflo
Good Condition112 years old1,298 vehicles/day
Location
| State | California |
| County | Colusa |
| Location | 1.9 Mi North Of Haas RD |
| Carries | Old 99w |
| Crosses | Glenn Valley Slough Oflo |
| Coordinates | 39.21065, -122.18246 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 8 (Very Good) |
| Culvert | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Culvert |
| Total Length | 24.9 ft (7.6 m) |
| Max Span | 7.5 ft (2.3 m) |
| Deck Area | 74.5 sq m |
| Main Spans | 3 |
| Year Built | 1914 (reconstructed 1930) |
Traffic
| Avg Daily Traffic | 1,298 (2014) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 723 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 15C0088 |