Diablo Road over San Ramon Creek

Fair Condition60 years old21,350 vehicles/day

Location

StateCalifornia
CountyContra Costa
Location0.2 Mi West Of I-680
CarriesDiablo Road
CrossesSan Ramon Creek
Coordinates37.82294, -121.99862

Condition Ratings

Overall ConditionFair
Deck5 (Fair)
Superstructure7 (Good)
Substructure6 (Satisfactory)
Channel/Waterway6 (Satisfactory)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length111.5 ft (34 m)
Max Span64.0 ft (19.5 m)
Deck Width76.1 ft (23.2 m)
Deck Area788.8 sq m
Main Spans3
Year Built1966

Traffic

Avg Daily Traffic21,350 (2020)
Truck Traffic15%
Lanes On Bridge6

Inspection & Ownership

Last InspectionDecember 2023
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number28C0200

Nearby Bridges