State Route 99 SB over Ash Slough
Fair Condition69 years old19,250 vehicles/day
Location
| State | California |
| County | Madera |
| Location | 06-mad-099-26.80 |
| Carries | State Route 99 SB |
| Crosses | Ash Slough |
| Coordinates | 37.12899, -120.25546 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 7 (Good) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 422.9 ft (128.9 m) |
| Max Span | 20.0 ft (6.1 m) |
| Deck Width | 42.7 ft (13 m) |
| Deck Area | 1675.7 sq m |
| Main Spans | 21 |
| Year Built | 1957 (reconstructed 1993) |
Traffic
| Avg Daily Traffic | 19,250 (2009) |
| Truck Traffic | 27% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 623 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 41 0045L |