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 (1903) (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 (2015) (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