Interstate 680 over Lilac Drive

Fair Condition66 years old195,300 vehicles/day

Location

StateCalifornia
CountyContra Costa
Location04-cc-680-13.46-wlc
CarriesInterstate 680
CrossesLilac Drive
Coordinates37.89017, -122.05868

Condition Ratings

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

Physical Characteristics

MaterialConcrete Continuous
DesignBox Beam - Multiple
Total Length148.6 ft (45.3 m)
Max Span74.1 ft (22.6 m)
Deck Width195.9 ft (59.7 m)
Deck Area2704.4 sq m
Main Spans2
Year Built1960 (reconstructed 1994)

Traffic

Avg Daily Traffic195,300 (2020)
Truck Traffic6%
Lanes On Bridge11
Lanes Under Bridge2

Inspection & Ownership

Last Inspection724
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number28 0166

Nearby Bridges

Newell AVE over Tice Creek 0.2 mi Fair Newell AVE over San Ramon Creek 0.2 mi Fair Interstate 680 over Newell Avenue 0.2 mi Fair Creekside DR over San Ramon Creek 0.3 mi Poor S California BLVD over Las Trampas Creek 0.3 mi Fair N680-olympic Off over Las Trampas Creek 0.3 mi Fair Interstate 680 over Las Trampas Creek 0.3 mi Fair Olympic-s680 On over Las Trampas Creek 0.3 mi Fair South Main ST over Las Trampas Creek 0.3 mi Good Interstate 680 over South Main Street 0.3 mi Good