NoeHill Travels in California
Sonoma County Landmarks
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The trees in the foreground are redwood trees.
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10 August 2026
Sonoma County Landmark 189
Austin Creek Bridge
Old Duncans Grade Road
Duncans Mills
Built 1924
Austin Creek Bridge
Old Duncans Grade Road
Duncans Mills
Built 1924
This is a traditional rivet-connected Pratt through truss bridge. The main span is 117 feet long, and the structure length is 265 feet.