ST Charles Avenue over Interstate 280
Fair Condition61 years old15,000 vehicles/day
Location
| State | California |
| County | San Mateo |
| Location | 04-sm-280-m27.41l-dlc |
| Carries | ST Charles Avenue |
| Crosses | Interstate 280 |
| Coordinates | 37.70838, -122.46928 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 5 (Fair) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Box Beam - Multiple |
| Total Length | 274.0 ft (83.5 m) |
| Max Span | 88.9 ft (27.1 m) |
| Deck Width | 39.4 ft (12 m) |
| Deck Area | 1,002 sq m |
| Main Spans | 4 |
| Year Built | 1965 |
Traffic
| Avg Daily Traffic | 15,000 (2004) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 8 |
Inspection & Ownership
| Last Inspection | 225 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 35 0176 |