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Historic Bridges: Sonoma County, California

Special Bridge Conditions Legend
! At risk for demolition or destruction.
X Confirmed demolished or collapsed.
S Dismantled and/or in storage.
L Severe loss of historic integrity due to alteration.

Total Bridges Found: 18

Browse Bridges In Google Maps

Clarks Crossing Bridge
Historic Significance Rating (HSR)
National HSR. Local HSR.
Click to visit page.
Annapolis Road Over Gualala River

Rural: Sonoma County, California
Metal 9 Panel Pin-Connected Parker Through Truss, Fixed
Length: 181 ft
Main Span: 181 ft
Roadway: 15.4 ft
Main Spans: 1
Built 1920 By: Unknown
Crocker Road Bridge
Cloverdale Bridge
Historic Significance Rating (HSR)
National HSR. Local HSR.
Click to visit page.
Crocker Road Over Russian River

Cloverdale: Sonoma County, California
Metal 10 Panel Rivet-Connected Polygonal Warren Pony Truss, Fixed and Approach Spans: Metal Pin and Hanger Stringer (Multi-Beam), Fixed
Length: 528 ft
Main Span: 120 ft
Roadway: 23.3 ft
Main Spans: 3
Built 1938 By: Unknown
D Street Bridge
Historic Significance Rating (HSR)
National HSR. Local HSR.
Click to visit page.
D Street Over Petaluma River

Petaluma: Sonoma County, California
Metal Rivet-Connected Warren Pony Truss, Movable: Single Leaf Bascule (Fixed Trunnion)
Length: 205 ft
Main Span: 80 ft
Roadway: 32.2 ft
Main Spans: 1
Built 1933 By: Unknown and Leon Hagop Nishkian of San Francisco, California
Geysers Road Bridge
Historic Significance Rating (HSR)
National HSR. Local HSR.
Click to visit page.
Geysers Road Over Big Sulphur Creek

Rural: Sonoma County, California
Metal 7 Panel Pin-Connected Pratt Through Truss, Fixed
Length: 149 ft
Main Span: 130 ft
Roadway: 13 ft
Main Spans: 1
Built By: Unknown
Guerneville Bridge
Historic Significance Rating (HSR)
National HSR. Local HSR.
Click to visit page.
Pedestrian Walkway (Former CA-116 Alignment) Over Russian River

Guerneville: Sonoma County, California
Metal 10 Panel Pin-Connected Parker Through Truss, Fixed and Approach Spans: Metal T-Beam, Fixed
Length: 948.2 ft
Main Span: 180 ft
Roadway: 17 ft
Main Spans: 3
Built 1922 By: Unknown
Hacienda Bridge
Historic Significance Rating (HSR)
National HSR. Local HSR.
Click to visit page.
River Road Over Russian River

Rural: Sonoma County, California
Metal 7 Panel Pin-Connected Camelback Through Truss, Fixed and Approach Spans: Concrete Slab, Fixed
Length: 531 ft
Main Span: 200 ft
Roadway: 25.3 ft
Main Spans: 1
Built 1914 By: American Bridge Company of New York, New York
Haupt Creek Bridge
Stewarts Point - Skaggs Springs Road Bridge
Historic Significance Rating (HSR)
National HSR. Local HSR.
Click to visit page.
Stewarts Point - Skaggs Springs Road Over Haupt Creek

Rural: Sonoma County, California
Metal 7 Panel Pin-Connected Pratt Through Truss, Fixed
Length: 134 ft
Main Span: 130 ft
Roadway: 13 ft
Main Spans: 1
Built By: Unknown
!
Haystack's Landing Bridge
McNear Bridge
Historic Significance Rating (HSR)
National HSR. Local HSR.
Click to visit page.
Railroad (SMART) Over Petaluma River

Petaluma: Sonoma County, California
Metal Rivet-Connected Through Truss, Movable: Swing (Center Pier)
Main Span: 180 ft
Roadway: 16 ft
Main Spans: 1
Built 1903 By: Unknown
Healdsburg Memorial Bridge
Redwood Highway Bridge
Historic Significance Rating (HSR)
National HSR. Local HSR.
Click to visit page.
Healdsburg Avenue (Former Redwood Highway) Over Russian River

Healdsburg: Sonoma County, California
Metal 10 Panel Pin-Connected Pennsylvania Through Truss, Fixed
Length: 438 ft
Main Span: 198 ft
Roadway: 21 ft
Main Spans: 2
Built 1921 By: American Bridge Company of New York, New York and J. C. Lewis
Healdsburg Railroad Bridge
Historic Significance Rating (HSR)
National HSR. Local HSR.
Click to visit page.
Railroad (Northwestern Pacific) Over Russian River

Healdsburg: Sonoma County, California
Metal 7 Panel Pin-Connected Camelback Through Truss, Fixed and Approach Spans: Metal 4 Panel Rivet-Connected Pratt Through Truss, Fixed
Length: 375 ft
Main Span: 181 ft
Main Spans: 1
Built 1921 By: Unknown
Jimtown Bridge
Historic Significance Rating (HSR)
National HSR. Local HSR.
Click to visit page.
Alexander Valley Road Over Russian River

Rural: Sonoma County, California
Metal Continuous 10 Panel Rivet-Connected Warren Pony Truss, Fixed and Approach Spans: Concrete Cantilever Girder, Fixed
Length: 1384 ft
Main Span: 120 ft
Roadway: 26.6 ft
Main Spans: 5
Built 1949 By: Judson Pacific Murphy Company
!
Lambert Bridge
Historic Significance Rating (HSR)
National HSR. Local HSR.
Click to visit page.
Lambert Bridge Road Over Dry Creek

Rural: Sonoma County, California
Metal 10 Panel Pin-Connected Parker Through Truss, Fixed
Length: 190 ft
Main Span: 185 ft
Roadway: 16.4 ft
Main Spans: 1
Built 1915 By: American Bridge Company of New York, New York
!
Monte Rio Bridge
Bohemian Highway Bridge
Historic Significance Rating (HSR)
National HSR. Local HSR.
Click to visit page.
Bohemian Highway Over Russian River

Rural: Sonoma County, California
Metal 6 Panel Rivet-Connected Pratt Full-Slope Pony Truss, Fixed and Approach Spans: Metal Stringer (Multi-Beam), Fixed
Length: 772 ft
Main Span: 100 ft
Roadway: 20 ft
Main Spans: 5
Built 1934 By: Unknown
Old Duncans Bridge
Historic Significance Rating (HSR)
National HSR. Local HSR.
Click to visit page.
Old Duncans Grade Road Over Austin Creek

Rural: Sonoma County, California
Metal 6 Panel Rivet-Connected Pratt Through Truss, Fixed
Length: 265 ft
Main Span: 117 ft
Roadway: 16.7 ft
Main Spans: 2
Built 1924 By: Unknown
Point Reyes Petaluma Road Bridge
Historic Significance Rating (HSR)
National HSR. Local HSR.
Click to visit page.
Point Reyes Petaluma Road (Old Alignment) Over San Antonio Creek

Rural: Sonoma County, California and Marin County, California
Concrete Deck Girder, Fixed
Length: 96 ft
Main Span: 42 ft
Roadway: 16 ft
Main Spans: 3
Built 1919 By: Unknown
!
Watmaugh Road Bridge
Hopke Bridge
Historic Significance Rating (HSR)
National HSR. Local HSR.
Click to visit page.
Watmaugh Road Over Sonoma Creek

Rural: Sonoma County, California
Metal 12 Panel Rivet-Connected Polygonal Warren Through Truss, Fixed and Approach Spans: Concrete T-Beam, Fixed
Length: 170 ft
Main Span: 103 ft
Roadway: 22.3 ft
Main Spans: 1
Built 1929 By: W. L. Proctor of Santa Rosa, California and E. A. Peugh of Santa Rosa, California
Westside Road Bridge
Historic Significance Rating (HSR)
National HSR. Local HSR.
Click to visit page.
Westside Road Over Dry Creek

Rural: Sonoma County, California
Metal 5 Panel Rivet-Connected Pratt Full-Slope Pony Truss, Fixed
Length: 330 ft
Main Span: 80 ft
Roadway: 24 ft
Main Spans: 4
Built 1934 By: Judson Pacific Company of San Francisco, California
Wohler Bridge
Historic Significance Rating (HSR)
National HSR. Local HSR.
Click to visit page.
Wohler Road Over Russian River

Rural: Sonoma County, California
Metal 10 Panel Pin-Connected Parker Through Truss, Fixed and Approach Spans: Concrete Stringer (Multi-Beam), Fixed
Length: 768 ft
Main Span: 230 ft
Roadway: 16.7 ft
Main Spans: 1
Built 1921 By: American Bridge Company of New York, New York

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