State Route 99 NB over Edgar Slough
Good Condition74 years old14,125 vehicles/day
Location
| State | California |
| County | Butte |
| Location | 03-but-099-30.03 |
| Carries | State Route 99 NB |
| Crosses | Edgar Slough |
| Coordinates | 39.70846, -121.79370 |
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 | Slab |
| Total Length | 78.1 ft (23.8 m) |
| Max Span | 29.9 ft (9.1 m) |
| Deck Width | 44.0 ft (13.4 m) |
| Deck Area | 318.9 sq m |
| Main Spans | 3 |
| Year Built | 1952 |
Traffic
| Avg Daily Traffic | 14,125 (2009) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 521 |
| Inspection Frequency | Every 48 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 12 0128R |