State Route 99 NB over Collier Road

Fair Condition29 years old32,000 vehicles/day

Location

StateCalifornia
CountyMerced
Location10-mer-099-r31.93
CarriesState Route 99 NB
CrossesCollier Road
Coordinates37.40897, -120.75181

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure7 (Good)
Substructure7 (Good)
Scour CriticalNot applicable

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Multiple
Total Length99.1 ft (30.2 m)
Max Span94.8 ft (28.9 m)
Deck Width42.3 ft (12.9 m)
Deck Area389.6 sq m
Main Spans1
Year Built1997 (reconstructed 2022)

Traffic

Avg Daily Traffic32,000 (2009)
Truck Traffic25%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last Inspection524
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number39 0224R

Nearby Bridges