Marin County

NameLocationStatusDesignYear BuiltYear LostSpan Length (ft.)Total Length (ft.)
Alexander Avenue BridgeAlexander Avenue over Abandoned NWP Railroad right of way, walking path.Open to trafficConcrete pony arch1925--38.1164.1
Blackpoint BridgeCA 37 over Petaluma CreekReplaced by a new bridgeBaltimore through truss19171958--150.0
Bunker Road BridgeAlexander Avenue over Bunker RoadOpen to trafficThrough arch1938--32.239.0
Bunker Road TunnelBunker Road under Under Marin HeadlandsOpen to trafficTunnel----2350.0--
Center Blvd. BridgeCenter Blvd. over San Anselmo CreekOpen to trafficDeck arch1935--39.044.9
Corinthian Inlet DrawbridgeFoot Walkway over Corinthian InletNo longer existsUnknown1888------
Corte Madera Creek BridgeCA Highway 101 Redwood Highway over Corte Madera CreekReplaced by a new bridgeDeck girder19301960----
Creek Road-San Anselmo Creek BridgeCreek Road over San Anselmo CreekOpen to trafficConcrete tee beam1929--34.1136.2
Cross Marin Trail BridgeCross Marin Trail over Sir Francis Drake BlvdOpen to pedestriansConcrete stringer--------
Fairfax Creek BridgeMarin Drive over Fairfax CreekOpen to trafficDeck arch1930--26.941.0
Golden Gate BridgeUS 101 over San Francisco BayOpen to trafficWire suspension1937--4201.39155.0
Highway 37 BridgeHigway 37 over Navota CreekNo longer existsStringer--------
Irwin Creek BridgeUS 101 over Irwin CreekOpen to trafficClosed-spandrel arch1895--15.122.0
Lagunitas Creek BridgeCA 1 over Lagunitas CreekOpen to trafficWarren pony truss1929--100.1151.9
Lagunitas Creek BridgeSir Francis Drake Blvd over Lagunitas CreekOpen to trafficConcrete tee beam1929--56.160.0
Mill Crossing BridgeMill Crossing over Lagunitas CreekOpen to trafficWarren deck truss with all verticals1947--71.0112.0
Nicasio Creek BridgePt Reyes Petaluma Road over Nicasio CreekOpen to trafficConcrete tee beam1937--34.1102.0
Nicasio Valley Road BridgeNicasio Valley Road over Arroyo NicasioOpen to trafficConcrete tee beam1928--34.1105.0
Norwood Avenue BridgeNorwood Avenue over Ross CreekOpen to trafficDeck arch1908--25.950.9
NWP - Bellum Boulevard OverpassBellum Blvd. over NWP RailroadBridge is abandoned on RR right of wayTimber stringer1930--18.068.9
NWP - Black Point BridgeNorthwestern Pacific Railroad over Petaluma RiverOpen to low emission locomotives and cars carrying animal feed and lumber up north four to five times a week.Warren through truss1911--246.01440.0
NWP - Black Point Bridge (Old)Northwestern Pacific RR over Petaluma RiverNo longer existsParker through truss18911911----
NWP - Corte Madera DrawbridgeNorthwestern Pacific Railroad over Corte Madera CreekClosed to all trafficDeck plate girder1930------
NWP - Gallinas Creek BridgeNorthwestern Pacific Railroad over Gallinas CreekReplaced by a new bridgePony/through plate girder19172014----
NWP - Keys Creek BridgeNorthwestern Pacific Railroad over Key's CreekRemovedPratt through truss--1907----
NWP - Novato Creek BridgeNorthwestern Pacific RR over Novato CreekNo longer existsUnknown1917------
Originial Lagunitas Road BridgeLagunitas Road over Corte Madera CreekReplaced by a new bridgeUnknown19092010--78.1
Platform BridgeSir Francis Drake Bikeway (Cross Marin Trail) over Lagunitas CreekOpen to trafficConcrete pony arch1927--96.0176.0
Point Bonita Lighthouse BridgeBridge on Walking PathOpen to pedestriansWire suspension1954------
Pt Reyes Petaluma Road BridgePt Reyes Petaluma Road over San Antonio CreekClosed to all trafficDeck arch1919--42.096.0
Redwood BridgeHighway 101 over Richardson BayDemolishedConcrete pony/through girder1931------
Richardson Bay BridgeUS 101 over Richardson BayOpen to trafficConcrete stringer1957--80.12864.0
S&NP - San Rafael Bay/Creek BridgeSan Francisco & Northern Pacific RR over San Rafael BayNo longer existsOther1878------
Shady Lane BridgeShady Lane over Ross CreekOpen to trafficConcrete rigid frame1909--22.043.0
Shafter BridgeSir Francis Drake Blvd over Lagunitas CreekReplaced by new bridgeOpen-spandrel arch19241982----
Sir Francis Drake BridgeSir Francis Drake Road over Devils GulchOpen to trafficDeck arch1920--22.046.9
Sir Francis Drake BridgeSir Francis Drake Road over Corte Madera CreekOpen to trafficDeck arch1926--49.963.0
SMART - Cal Park Hill TunnelPedestrian Pathway/SMART under Open to pedestrians, commuter rail traffic plannedTunnel1884----1100.0
SMART - Puerto Suello TunnelSonoma-Marin Area Rail Transit under Open to trafficTunnel1879--1394.41394.4
Southern Heights Blvd. BridgeSouthern Heights Blvd. over Hillside (Southern Heights Ridge)Open to trafficTimber stringerca. 1930--5.9162.0
Waldo TunnelUS HIGHWAY 101 under Open to trafficTunnel1937--46.91000.0
Winship Road BridgeWinship Road over Corte Madera CreekOpen to trafficDeck arch1909--40.090.9