State Route 78 over Interstate 5

Fair Condition55 years old137,000 vehicles/day

Location

StateCalifornia
CountySan Diego
Location11-sd-078-0.01-ocn
CarriesState Route 78
CrossesInterstate 5
Coordinates33.17701, -117.35129

Condition Ratings

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

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignBox Beam - Multiple
Total Length267.1 ft (81.4 m)
Max Span140.1 ft (42.7 m)
Deck Width98.1 ft (29.9 m)
Deck Area2433.9 sq m
Main Spans2
Year Built1971

Traffic

Avg Daily Traffic137,000 (2020)
Truck Traffic5%
Lanes On Bridge6
Lanes Under Bridge12

Inspection & Ownership

Last Inspection323
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number57 0270

Nearby Bridges

Cassidy ST over Interstate 5 0.3 mi Good Interstate 5 over Buena Vista Lagoon 0.3 mi Good Jefferson ST over Route 5 0.4 mi Fair Las Flores DR over Route 5 0.5 mi Good Jefferson ST over Buena Vista Creek 0.6 mi Fair California ST over Interstate 5 0.6 mi Good Carlsbad BLVD over Buena Vista Creek 0.7 mi Fair Jefferson Street over State Route 78 0.7 mi Good Pacific Terrace over Cassidy Street 0.8 mi Poor Coast Highway over Loma Alta Creek 0.9 mi Poor