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Marin County
Baker-Barry Tunnel [Map · Street View] Tunnel under Under Marin Headlands on Bunker RoadOpen to trafficBuilt in 1918, rebuilt 1925, widened in 1937, closed 1989, rebuilt in 1995
Black Point Bridge (1917) [Map] Lost Baltimore through truss bridge over Petaluma River on CA 37Replaced by a new bridgeBuilt 1917; Replaced 1958
Corte Madera Creek Bridge [Map] Lost Deck girder bridge over Corte Madera Creek on CA Highway 101 Redwood HighwayReplaced by a new bridgeBuilt 1930; Replaced 1960
Highway 37 Bridge [Map] Lost Stringer bridge over Novato Creek on CA Highway 37No longer existsReplaced in 1918
Irwin Creek Bridge [Map] Concrete arch bridge over Irwin Creek on US 101 in San RafaelOpen to trafficBuilt 1895; rehabilitated 1987
NPC - Keyes Estuary Howe Truss [Map] Lost Howe through truss bridge over Keys Estuary on North Pacific Coast RailroadRemoved but not replacedBuilt 1874; Replaced 1907
NWP - Alto Tunnel [Map] Abandoned tunnel on Northwestern Pacific RailroadPartially collapsedBuilt 1884, closed 1971
NWP - Black Point Bridge (1911) [Map · Street View] Warren through truss bridge over Petaluma River on Northwestern Pacific RailroadOpen to low emission locomotives and cars carrying animal feed and lumber up north four to five times a week.Built 1911
NWP - Bohemia Grove Bridge [Map] Lost Pennsylvania through truss bridge over Russian River on Northwestern Pacific RailroadDestroyed by floodingLost 1907
NWP - Corte Madera Drawbridge [Map · Street View] Bascule bridge over Corte Madera Creek on abandoned Northwestern and Pacific Railroad in Corte MaderaClosed to all trafficBuilt 1930; Section over Sir Francis Drake Boulevard removed in 2003
NWP - Gallinas Creek Bridge [Map] Pony plate girder hinged lift bridge over Gallinas Creek on Northwestern Pacific RailroadReplaced by a new bridgeBuilt 1917; Machinery removed 1947; Bridge replaced 2014
NWP - Lagunitas Creek Howe Bridge [Map] Lost Howe through truss bridge over Lagunitas Creek & Road on Northwestern Pacific RailroadReplaced by a new bridgeBuilt 1875; Replaced 1930
NWP - Lagunitas Creek Phoenix Bridge [Map] Lost Pratt through truss bridge over Lagunitas Creek & Road on Northwestern Pacific RailroadReplaced by a new bridgeRelocated here 1930 after being relocated to the Keyes Estuary in 1906/7 from Texas; Plausibly removed 1933
Point Bonita Lighthouse Bridge [Map] Wire suspension bridge on Walking PathOpen to pedestriansBuilt 1954 to cross eroded gap in access to Point Bonita Lighthouse; in 2012 replaced with similar bridge
Richardson Bay Bridge [Map] Concrete stringer bridge over Richardson Bay on US 101Open to trafficBuilt 1957; rehabilitated 1973
Shafter Bridge (Pre 1924) [Map] Lost Pratt through truss bridge over Lagunitas Creek on Olema-to-San Rafael Stage RoadReplaced by a new bridgeBuilt ?; Replaced 1924
SMART - Cal Park Hill Tunnel [Map] Tunnel on Pedestrian Pathway/SMARTOpen to pedestrians, commuter rail traffic plannedBuilt 1884, closed 1978 , opened to pedestrains 2010.
SMART - Puerto Suello Tunnel [Map] Tunnel on Sonoma-Marin Area Rail TransitOpen to trafficBuilt 1879; Roof collapsed during a fire 1961, rebuilt 1967, Closed in the 80s, Rehabilitated 2014-16
Southern Heights Blvd. Bridge [Map · Street View] Timber stringer bridge Southern Heights Blvd. in San RafaelOpen to trafficBuilt ca. 1930; Concrete substructure portions replaced in 1958; Reinforced with concrete wall abutments in 1981.