U.s. Highway 101 over I-80 & US 101 Ramps Strs

Fair Condition71 years old59,000 vehicles/day

Location

StateCalifornia
CountySan Francisco
Location04-sf-101-r4.25l-sf
CarriesU.s. Highway 101
CrossesI-80 & US 101 Ramps Strs
Coordinates37.76989, -122.41848

Condition Ratings

Overall ConditionFair
Deck5 (Fair)
Superstructure8 (Very Good)
Substructure7 (Good)
Scour CriticalNot applicable

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length10054.8 ft (3064.7 m)
Max Span105.6 ft (32.2 m)
Deck Width80.1 ft (24.4 m)
Deck Area74778.7 sq m
Main Spans103
Year Built1955

Traffic

Avg Daily Traffic59,000 (2019)
Truck Traffic1%
Lanes On Bridge4
Lanes Under Bridge72

Inspection & Ownership

Last Inspection423
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number34 0077

Nearby Bridges