Old HWY 99 over Willow Creek
Fair Condition32 years old1,005 vehicles/day
Location
| State | California |
| County | Siskiyou |
| Location | 1.0 Mi S Gazelle-callahan |
| Carries | Old HWY 99 |
| Crosses | Willow Creek |
| Coordinates | 41.50837, -122.51715 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 74.1 ft (22.6 m) |
| Max Span | 24.0 ft (7.3 m) |
| Deck Width | 28.5 ft (8.7 m) |
| Deck Area | 196.6 sq m |
| Main Spans | 3 |
| Year Built | 1994 |
Traffic
| Avg Daily Traffic | 1,005 (2011) |
| Truck Traffic | 40% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 623 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 02C0203 |