Interstate 680 over Las Trampas Creek

Fair Condition66 years old195,300 vehicles/day

Location

StateCalifornia
CountyContra Costa
Location04-cc-680-13.72-wlc
CarriesInterstate 680
CrossesLas Trampas Creek
Coordinates37.89234, -122.06313

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure7 (Good)
Substructure8 (Very Good)
Channel/Waterway7 (Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialConcrete Continuous
DesignBox Beam - Multiple
Total Length182.4 ft (55.6 m)
Max Span66.3 ft (20.2 m)
Deck Width200.8 ft (61.2 m)
Deck Area3402.7 sq m
Main Spans3
Year Built1960 (reconstructed 1994)

Traffic

Avg Daily Traffic195,300 (2017)
Truck Traffic6%
Lanes On Bridge11

Inspection & Ownership

Last Inspection724
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number28 0162

Nearby Bridges