State Route 99 NB over Zeff RD & Tuolumne River
Good Condition63 years old52,500 vehicles/day
Location
| State | California |
| County | Stanislaus |
| Location | 10-sta-099-r14.93 |
| Carries | State Route 99 NB |
| Crosses | Zeff RD & Tuolumne River |
| Coordinates | 37.62476, -120.99608 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Box Beam - Multiple |
| Total Length | 702.1 ft (214 m) |
| Max Span | 96.1 ft (29.3 m) |
| Deck Width | 45.9 ft (14 m) |
| Deck Area | 2,996 sq m |
| Main Spans | 8 |
| Year Built | 1963 |
Traffic
| Avg Daily Traffic | 52,500 (2015) |
| Truck Traffic | 12% |
| Lanes On Bridge | 3 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | 923 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 38 0078R |