Interstate 280 over San Mateo CR Crystal Spr
Fair Condition59 years old106,000 vehicles/day
Location
| State | California |
| County | San Mateo |
| Location | 04-sm-280-r12.73 |
| Carries | Interstate 280 |
| Crosses | San Mateo CR Crystal Spr |
| Coordinates | 37.52834, -122.35948 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 5 (Fair) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 1645.3 ft (501.5 m) |
| Max Span | 360.2 ft (109.8 m) |
| Deck Width | 141.7 ft (43.2 m) |
| Deck Area | 21664.8 sq m |
| Main Spans | 5 |
| Year Built | 1967 |
Traffic
| Avg Daily Traffic | 106,000 (2009) |
| Truck Traffic | 3% |
| Lanes On Bridge | 8 |
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 0199 |