Sonoma-Marin Area Rail Transit

Reporting mark: SMART
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Main Gate Road Bridge (Marin County, California)
Built 1930; rehabilitated 1995
Steel stringer bridge over SMART Railroad on Main Gate Road
Open to traffic

NWP - Black Point Bridge (1911) (Sonoma County, California)
Built 1911;
Warren through truss bridge over Petaluma River on Northwestern Pacific Railroad
Open to low emission locomotives and cars carrying animal feed and lumber up north four to five times a week.

NWP - Haystack's Landing Bridge (Sonoma County, California)
Built 1903; Replaced 2015; last train operated over Sept. 21, 2015
Warren through truss bridge over Pataluma River on Railroad (SMART)
Replaced by a new bridge

NWP - Healdsburg Bridge (Sonoma County, California)
Built 1921 to replace earlier timber bridge
Subdivided Warren through truss bridge over Russian River on Northwestern Pacific Railroad
Closed

SMART - Cal Park Hill Tunnel (Marin County, California)
Built 1884, closed 1978 , opened to pedestrains 2010.
Tunnel on Pedestrian Pathway/SMART
Open to pedestrians, commuter rail traffic planned

SMART - Haystack's Landing Bridge (New) (Sonoma County, California)
Built 2015 using relocated 1987 spans from Galveston, Texas.
Warren through truss bridge over Petaluma River on Sonoma-Marin Area Rail Transit
Open to traffic

SMART - Puerto Suello Tunnel (Marin County, California)
Built 1879; Roof collapsed during a fire 1961, rebuilt 1967, Closed in the 80s, Rehabilitated 2014-16
Tunnel on Sonoma-Marin Area Rail Transit
Open to traffic