Sneath Lane over Interstate 280

Fair Condition55 years old20,000 vehicles/day

Location

StateCalifornia
CountySan Mateo
Location04-sm-280-r21.30-sbr
CarriesSneath Lane
CrossesInterstate 280
Coordinates37.63010, -122.43544

Condition Ratings

Overall ConditionFair
Deck5 (Fair)
Superstructure5 (Fair)
Substructure7 (Good)
Scour CriticalNot applicable

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignBox Beam - Multiple
Total Length361.2 ft (110.1 m)
Max Span105.0 ft (32 m)
Deck Width67.3 ft (20.5 m)
Deck Area2257.1 sq m
Main Spans4
Year Built1971

Traffic

Avg Daily Traffic20,000 (1998)
Truck Traffic3%
Lanes On Bridge4
Lanes Under Bridge12

Inspection & Ownership

Last Inspection723
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number35 0225

Nearby Bridges