Alexander - Valley - Rd, old - bridge [Map] Concrete stringer bridge over Russian River tributary on Private drive, formerly Alexander Valley RoadOpen to trafficBuilt 1920, obsolete, by road realignment for new bridge, 1949
Haupt - Creek - Bridge [Map · Street View] Pinned Pratt through truss bridge over Haupt Creek on Stewart Point Skagg Springs RoadOpen to trafficBuilt 1909, relocated 1937 to this location
Hauser - Bridge [Map · Street View] Bailey Deck truss bridge over South Fork Gualala River on Hauser Br RoadOpen to trafficBuilt 1947; rehabilitated 1954
Haystack - Landing - Bridge [Map] Through truss bridge over Petaluma River on former California Northwestern RROpen to trafficBuilt 1904; to be removed 2015
NWP - Petaluma - River - Bridge [Map · Street View] Warren through truss bridge over Petaluma River on Northwestern and Pacific RailroadOpen to low emission locomotives and cars carrying animal feed and lumber up north four to five times a week.
NWP - Sonama - Tunnel [Map] Abandoned tunnel on Northwestern Pacific RailroadSealed 2011 to smother a fire.Built 1898; Sealed to smother a fire in 2011
NWP - Wingo - Lift - Bridge [Map] Pony/through plate girder bridge over Slough feeding San Pablo Bay on Northwestern Pacific Railroad (NWP)Open to trafficBuilt 1920 by the Toledo Bridge & Crane Co
Petaluma - River - Bridge [Map] Lost Deck girder bridge over Petaluma River on Washington StreetThis bascule double leaf bridge was relocated to South AmericaBuilt 1914
SF&NV - Steamboat - Slough - Swing - Bridge [Map] Lost Through truss bridge over Steamboat Slough on San Francisco and Napa Railroad/Southern Pacific RailroadDestroyed by fireBuilt 1905 by the San Francisco and Napa Valley RR (later Southern Pacific), abandoned 1933, destroyed by fire in mid 1950s
Summer - Crossing - Bridge [Map] Steel stringer bridge over Russian River on Vacation Beach RoadOpen to trafficBuilt 1977, seasonal, removed in winter.