Interstate 15 over Ninth Avenue

Good Condition49 years old99,500 vehicles/day

Location

StateCalifornia
CountySan Diego
Location11-sd-015-r30.09-esd
CarriesInterstate 15
CrossesNinth Avenue
Coordinates33.10822, -117.09449

Condition Ratings

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

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Multiple
Total Length196.9 ft (60 m)
Max Span195.9 ft (59.7 m)
Deck Width205.7 ft (62.7 m)
Deck Area3,762 sq m
Main Spans1
Year Built1977 (reconstructed 2012)

Traffic

Avg Daily Traffic99,500 (2018)
Truck Traffic7%
Lanes On Bridge14
Lanes Under Bridge6

Inspection & Ownership

Last Inspection324
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number57 0808

Nearby Bridges