Interstate 15 SB over Rock Springs Road

Fair Condition49 years old62,500 vehicles/day

Location

StateCalifornia
CountySan Diego
Location11-sd-015-r31.99
CarriesInterstate 15 SB
CrossesRock Springs Road
Coordinates33.13395, -117.10519

Condition Ratings

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

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Multiple
Total Length204.1 ft (62.2 m)
Max Span203.1 ft (61.9 m)
Deck Width69.6 ft (21.2 m)
Deck Area1318.6 sq m
Main Spans1
Year Built1977

Traffic

Avg Daily Traffic62,500 (2019)
Truck Traffic10%
Lanes On Bridge4
Lanes Under Bridge2

Inspection & Ownership

Last Inspection324
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number57 0817L

Nearby Bridges