State Route 99 SB over Mokelumne Ri Frontage R
Fair Condition69 years old29,500 vehicles/day
Location
| State | California |
| County | San Joaquin |
| Location | 10-sj-099-31.72 |
| Carries | State Route 99 SB |
| Crosses | Mokelumne Ri Frontage R |
| Coordinates | 38.14782, -121.26135 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Tee Beam |
| Total Length | 833.0 ft (253.9 m) |
| Max Span | 54.1 ft (16.5 m) |
| Deck Width | 54.5 ft (16.6 m) |
| Deck Area | 4214.7 sq m |
| Main Spans | 3 |
| Year Built | 1957 (reconstructed 1991) |
Traffic
| Avg Daily Traffic | 29,500 (2014) |
| Truck Traffic | 13% |
| Lanes On Bridge | 3 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 29 0002L |