SB Interstate 280 over 7th Street On-ramp

Good Condition54 years old111,700 vehicles/day

Location

StateCalifornia
CountySanta Clara
Location04-scl-280-r1.55-sjs
CarriesSB Interstate 280
Crosses7th Street On-ramp
Coordinates37.32786, -121.87553

Condition Ratings

Overall ConditionGood
Deck7 (Good)
Superstructure7 (Good)
Substructure8 (Very Good)
Scour CriticalNot applicable

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignBox Beam - Multiple
Total Length607.0 ft (185 m)
Max Span138.5 ft (42.2 m)
Deck Width67.9 ft (20.7 m)
Deck Area3829.5 sq m
Main Spans5
Year Built1972

Traffic

Avg Daily Traffic111,700 (2019)
Truck Traffic3%
Lanes On Bridge5
Lanes Under Bridge4

Inspection & Ownership

Last Inspection125
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number37 0280L

Nearby Bridges