Interstate 280 NB over State Route 92

Fair Condition53 years old52,000 vehicles/day

Location

StateCalifornia
CountySan Mateo
Location04-sm-280-10.81
CarriesInterstate 280 NB
CrossesState Route 92
Coordinates37.50686, -122.33779

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure6 (Satisfactory)
Substructure7 (Good)
Scour CriticalNot applicable

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignBox Beam - Multiple
Total Length321.5 ft (98 m)
Max Span172.6 ft (52.6 m)
Deck Width81.7 ft (24.9 m)
Deck Area2440.2 sq m
Main Spans2
Year Built1973

Traffic

Avg Daily Traffic52,000 (2009)
Truck Traffic3%
Lanes On Bridge5
Lanes Under Bridge5

Inspection & Ownership

Last InspectionOctober 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number35 0243R

Nearby Bridges