State Route 99 over Porter Slough
Good Condition95 years old43,000 vehicles/day
Location
| State | California |
| County | Tulare |
| Location | 06-tul-099-23.21 |
| Carries | State Route 99 |
| Crosses | Porter Slough |
| Coordinates | 36.11936, -119.32421 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 7 (Good) |
| Culvert | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Culvert |
| Total Length | 22.0 ft (6.7 m) |
| Max Span | 11.2 ft (3.4 m) |
| Deck Width | 126.6 ft (38.6 m) |
| Deck Area | 258.6 sq m |
| Main Spans | 2 |
| Year Built | 1931 (reconstructed 1962) |
Traffic
| Avg Daily Traffic | 43,000 (2009) |
| Truck Traffic | 22% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | 824 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 46 0128 |