State Route 4 over Interstate Route 680

Fair Condition64 years old82,600 vehicles/day

Location

StateCalifornia
CountyContra Costa
Location04-cc-004-12.64
CarriesState Route 4
CrossesInterstate Route 680
Coordinates37.99424, -122.07024

Condition Ratings

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

Physical Characteristics

MaterialConcrete Continuous
DesignBox Beam - Multiple
Total Length241.1 ft (73.5 m)
Max Span72.2 ft (22 m)
Deck Width142.4 ft (43.4 m)
Deck Area3189.9 sq m
Main Spans4
Year Built1962 (reconstructed 2021)

Traffic

Avg Daily Traffic82,600 (2019)
Truck Traffic7%
Lanes On Bridge8
Lanes Under Bridge10

Inspection & Ownership

Last Inspection624
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number28 0179

Nearby Bridges