State Route 99 SB over West Main Street

Good Condition53 years old34,905 vehicles/day

Location

StateCalifornia
CountyStanislaus
Location10-sta-099-r3.45-tur
CarriesState Route 99 SB
CrossesWest Main Street
Coordinates37.49255, -120.87001

Condition Ratings

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

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Multiple
Total Length142.1 ft (43.3 m)
Max Span141.7 ft (43.2 m)
Deck Width53.1 ft (16.2 m)
Deck Area701.5 sq m
Main Spans1
Year Built1973

Traffic

Avg Daily Traffic34,905 (2023)
Truck Traffic17%
Lanes On Bridge3
Lanes Under Bridge6

Inspection & Ownership

Last Inspection323
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number38 0141L

Nearby Bridges