ST RTE 101 (5th ST over Bayshore Viaduct

Fair Condition71 years old256,700 vehicles/day

Location

StateCalifornia
CountySan Francisco
Location04-sf-101-4.12-sf
CarriesST RTE 101 (5th ST
CrossesBayshore Viaduct
Coordinates37.76431, -122.40482

Condition Ratings

Overall ConditionFair
Deck5 (Fair)
Superstructure5 (Fair)
Substructure7 (Good)
Scour CriticalNot applicable

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length7502.0 ft (2286.6 m)
Max Span118.1 ft (36 m)
Deck Width80.1 ft (24.4 m)
Deck Area55793.0 sq m
Main Spans8
Year Built1955

Traffic

Avg Daily Traffic256,700 (2019)
Truck Traffic4%
Lanes On Bridge6
Lanes Under Bridge51

Inspection & Ownership

Last Inspection523
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number34 0088

Nearby Bridges