Interstate 280 NB over Crystal Springs Off-ramp
Fair Condition59 years old49,500 vehicles/day
Location
| State | California |
| County | San Mateo |
| Location | 04-sm-280-r20.04-sbr |
| Carries | Interstate 280 NB |
| Crosses | Crystal Springs Off-ramp |
| Coordinates | 37.61448, -122.42420 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Box Beam - Multiple |
| Total Length | 250.3 ft (76.3 m) |
| Max Span | 114.2 ft (34.8 m) |
| Deck Width | 69.6 ft (21.2 m) |
| Deck Area | 1617.6 sq m |
| Main Spans | 3 |
| Year Built | 1967 |
Traffic
| Avg Daily Traffic | 49,500 (2009) |
| Lanes On Bridge | 4 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | 723 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 35 0196R |