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

Fair Condition66 years old170,000 vehicles/day

Location

StateCalifornia
CountySan Francisco
Location04-sf-280-r4.07r-sf
CarriesI 280n (re Al)
Crosses280/101 Interchange
Coordinates37.73350, -122.41116

Condition Ratings

Overall ConditionFair
Deck5 (Fair)
Superstructure5 (Fair)
Substructure5 (Fair)
Scour CriticalNot applicable

Physical Characteristics

MaterialConcrete Continuous
DesignBox Beam - Multiple
Total Length494.1 ft (150.6 m)
Max Span100.1 ft (30.5 m)
Deck Width73.2 ft (22.3 m)
Deck Area3358.4 sq m
Main Spans5
Year Built1960

Traffic

Avg Daily Traffic170,000 (2019)
Truck Traffic1%
Lanes On Bridge4

Inspection & Ownership

Last Inspection324
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number34 0133R

Nearby Bridges

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