U.s. Highway 101 over 280/101 Ic - Alemany Cir

Fair Condition76 years old234,000 vehicles/day

Location

StateCalifornia
CountySan Francisco
Location04-sf-101-2.03-sf
CarriesU.s. Highway 101
Crosses280/101 Ic - Alemany Cir
Coordinates37.73605, -122.40712

Condition Ratings

Overall ConditionFair
Deck7 (Good)
Superstructure5 (Fair)
Substructure7 (Good)
Scour CriticalNot applicable

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length757.9 ft (231 m)
Max Span73.2 ft (22.3 m)
Deck Width87.9 ft (26.8 m)
Deck Area6190.8 sq m
Main Spans13
Year Built1950 (reconstructed 2020)

Traffic

Avg Daily Traffic234,000 (2018)
Truck Traffic3%
Lanes On Bridge6
Lanes Under Bridge9

Inspection & Ownership

Last Inspection124
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number34 0033

Nearby Bridges

SB Route 101 Onrmp over Alemany Cir 0.0 mi Fair Route 101n Onramp over Alemany Cir Uc (nbd O-r) 0.1 mi Fair Interstate 280 over Caltrain Up Rr City Sts 0.1 mi Fair S101-s280 Connecto over 280/101 Ic -alemany BLVD 0.2 mi Fair I 280 S Au Line over 280/101 Interchange 0.2 mi Poor I 280n-101n (re) over 280/101 Interchange 0.2 mi Fair I 280 N Al Line over 280/101 Interchange 0.2 mi Poor Us101n-i 280s (wl) over 280/101 Interchange 0.2 mi Fair U.s. Highway 101 over Cortland Avenue 0.2 mi Fair 280n - 101s (wu) over 280/101 Interchange 0.3 mi Fair