Us101n-i 280s (wl) over 280/101 Interchange

Fair Condition66 years old80,000 vehicles/day

Location

StateCalifornia
CountySan Francisco
Location04-sf-101-1.79-sf
CarriesUs101n-i 280s (wl)
Crosses280/101 Interchange
Coordinates37.73297, -122.40499

Condition Ratings

Overall ConditionFair
Deck5 (Fair)
Superstructure7 (Good)
Substructure7 (Good)
Scour CriticalNot applicable

Physical Characteristics

MaterialConcrete Continuous
DesignBox Beam - Multiple
Total Length1579.4 ft (481.4 m)
Max Span121.1 ft (36.9 m)
Deck Width37.4 ft (11.4 m)
Deck Area5488.0 sq m
Main Spans16
Year Built1960

Traffic

Avg Daily Traffic80,000 (2019)
Truck Traffic3%
Lanes On Bridge1
Lanes Under Bridge12

Inspection & Ownership

Last Inspection324
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number34 0135G

Nearby Bridges

280n - 101s (wu) over 280/101 Interchange 0.0 mi Fair S280-s101 Connectr over N101-n280 Connector Ramp 0.0 mi Poor Silver AVE over Route 101 0.0 mi Fair 101 And 280 over 280/101 Interchange 0.2 mi Poor Interstate 280 over Caltrain Up Rr City Sts 0.2 mi Fair SB Route 101 Onrmp over Alemany Cir 0.2 mi Fair U.s. Highway 101 over 280/101 Ic - Alemany Cir 0.2 mi Fair I 280 N Al Line over 280/101 Interchange 0.3 mi Poor I 280n-101n (re) over 280/101 Interchange 0.3 mi Fair I 280 S Au Line over 280/101 Interchange 0.3 mi Poor