I 280n-101n (re) over 280/101 Interchange

Fair Condition66 years old80,000 vehicles/day

Location

StateCalifornia
CountySan Francisco
Location04-sf-280-r4.16r-sf
CarriesI 280n-101n (re)
Crosses280/101 Interchange
Coordinates37.73423, -122.40974

Condition Ratings

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

Physical Characteristics

MaterialConcrete Continuous
DesignBox Beam - Multiple
Total Length1856.0 ft (565.7 m)
Max Span160.1 ft (48.8 m)
Deck Width37.4 ft (11.4 m)
Deck Area6449.0 sq m
Main Spans19
Year Built1960

Traffic

Avg Daily Traffic80,000 (2019)
Truck Traffic3%
Lanes On Bridge2
Lanes Under Bridge20

Inspection & Ownership

Last Inspection324
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number34 0134G

Nearby Bridges

I 280 N Al Line over 280/101 Interchange 0.0 mi Poor I 280 S Au Line over 280/101 Interchange 0.0 mi Poor S101-s280 Connecto over 280/101 Ic -alemany BLVD 0.0 mi Fair Route I 280 SB over Sfwd Water Main 0.1 mi Fair I 280n (re Al) over 280/101 Interchange 0.1 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 Interstate 280 over Caltrain Up Rr City Sts 0.2 mi Fair Route 101n Onramp over Alemany Cir Uc (nbd O-r) 0.2 mi Fair Silver AVE over Route 101 0.3 mi Fair