State Route 99 SB over Stanislaus River
Fair Condition123 years old53,500 vehicles/day
Location
| State | California |
| County | San Joaquin |
| Location | 10-sj-099-0.00 |
| Carries | State Route 99 SB |
| Crosses | Stanislaus River |
| Coordinates | 37.73001, -121.10960 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 1219.8 ft (371.8 m) |
| Max Span | 101.0 ft (30.8 m) |
| Deck Width | 50.9 ft (15.5 m) |
| Deck Area | 5762.9 sq m |
| Main Spans | 2 |
| Year Built | 1903 (reconstructed 2021) |
Traffic
| Avg Daily Traffic | 53,500 (2016) |
| Truck Traffic | 20% |
| Lanes On Bridge | 3 |
Inspection & Ownership
| Last Inspection | October 2024 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 29 0013L |