Petaluma Hill RD over Copeland Creek

Fair Condition57 years old16,000 vehicles/day

Location

StateCalifornia
CountySonoma
Location5.2 Mi Inter Stony Pnt RD
CarriesPetaluma Hill RD
CrossesCopeland Creek
Coordinates38.34220, -122.66680

Condition Ratings

Overall ConditionFair
Deck5 (Fair)
Superstructure5 (Fair)
Substructure7 (Good)
Channel/Waterway7 (Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialConcrete
DesignSlab
Total Length26.2 ft (8 m)
Max Span25.3 ft (7.7 m)
Deck Width58.1 ft (17.7 m)
Deck Area141.6 sq m
Main Spans1
Year Built1969

Traffic

Avg Daily Traffic16,000 (2015)
Truck Traffic1%
Lanes On Bridge2

Inspection & Ownership

Last InspectionNovember 2024
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number20C0127

Nearby Bridges