S101-sfo Airpt Off over U.s. Highway 101

Fair Condition39 years old15,900 vehicles/day

Location

StateCalifornia
CountySan Mateo
Location04-sm-101-19.26
CarriesS101-sfo Airpt Off
CrossesU.s. Highway 101
Coordinates37.61400, -122.39528

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure7 (Good)
Substructure7 (Good)
Scour CriticalNot applicable

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignBox Beam - Multiple
Total Length1618.8 ft (493.4 m)
Max Span246.1 ft (75 m)
Deck Width41.3 ft (12.6 m)
Deck Area6216.8 sq m
Main Spans10
Year Built1987

Traffic

Avg Daily Traffic15,900 (1998)
Truck Traffic2%
Lanes On Bridge2
Lanes Under Bridge16

Inspection & Ownership

Last Inspection423
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number35 0275K

Nearby Bridges