I380 NB On-ramp over US 101

Fair Condition30 years old27,142 vehicles/day

Location

StateCalifornia
CountySan Mateo
LocationSpan 9 Hinge To Bent 19
CarriesI380 NB On-ramp
CrossesUS 101
Coordinates37.61502, -122.39461

Condition Ratings

Overall ConditionFair
Deck5 (Fair)
Superstructure7 (Good)
Substructure6 (Satisfactory)
Scour CriticalNot applicable

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignBox Beam - Multiple
Total Length1324.8 ft (403.8 m)
Max Span144.4 ft (44 m)
Deck Width28.9 ft (8.8 m)
Deck Area3553.4 sq m
Main Spans12
Year Built1996

Traffic

Avg Daily Traffic27,142 (2010)
Truck Traffic5%
Lanes On Bridge2
Lanes Under Bridge4

Inspection & Ownership

Last Inspection124
Inspection FrequencyEvery 24 months
OwnerOther Local Agencies
Historical SignificanceBridge is not eligible for the National Register
Structure Number35C0180K

Nearby Bridges