State Route 4 over Balfour Road

Good Condition8 years old45,500 vehicles/day

Location

StateCalifornia
CountyContra Costa
Location04-cc-004-r35.57-btwd
CarriesState Route 4
CrossesBalfour Road
Coordinates37.92556, -121.73347

Condition Ratings

Overall ConditionGood
Deck7 (Good)
Superstructure7 (Good)
Substructure7 (Good)
Scour CriticalNot applicable

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length197.5 ft (60.2 m)
Max Span99.4 ft (30.3 m)
Deck Width92.2 ft (28.1 m)
Deck Area1691.6 sq m
Main Spans2
Year Built2018

Traffic

Avg Daily Traffic45,500 (2019)
Truck Traffic10%
Lanes On Bridge4
Lanes Under Bridge5

Inspection & Ownership

Last Inspection623
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number28 0411R

Nearby Bridges