Interstate 15 SB over Sierra Avenue

Fair Condition50 years old69,000 vehicles/day

Location

StateCalifornia
CountySan Bernardino
Location08-sbd-015-12.84-fna
CarriesInterstate 15 SB
CrossesSierra Avenue
Coordinates34.18157, -117.43701

Condition Ratings

Overall ConditionFair
Deck7 (Good)
Superstructure5 (Fair)
Substructure7 (Good)
Scour CriticalNot applicable

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Multiple
Total Length147.0 ft (44.8 m)
Max Span146.0 ft (44.5 m)
Deck Width68.6 ft (20.9 m)
Deck Area936.3 sq m
Main Spans1
Year Built1976

Traffic

Avg Daily Traffic69,000 (2019)
Truck Traffic11%
Lanes On Bridge4
Lanes Under Bridge5

Inspection & Ownership

Last Inspection223
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number54 0981L

Nearby Bridges