State Route 18 over Interstate 15

Fair Condition51 years old40,000 vehicles/day

Location

StateCalifornia
CountySan Bernardino
Location08-sbd-018-r96.60-vctv
CarriesState Route 18
CrossesInterstate 15
Coordinates34.50797, -117.32241

Condition Ratings

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

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignBox Beam - Single/Spread
Total Length232.0 ft (70.7 m)
Max Span120.1 ft (36.6 m)
Deck Width87.9 ft (26.8 m)
Deck Area1894.8 sq m
Main Spans2
Year Built1975

Traffic

Avg Daily Traffic40,000 (2022)
Truck Traffic9%
Lanes On Bridge5
Lanes Under Bridge7

Inspection & Ownership

Last InspectionDecember 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number54 0470

Nearby Bridges