Plumas County

NameLocationStatusDesignYear BuiltYear LostSpan Length (ft.)Total Length (ft.)
Bailey Creek BridgeNew Chester Dump Road over Bailey CreekOpen to trafficConcrete tee beam1928--36.183.0
Belden Town Road BridgeBelden Town Road over North Fork Feather RiverOpen to trafficPratt through truss1912--104.0212.0
Blarsden Graeagle Road BridgeBlarsden Graeagle Road over Middle Fork Feather RiverOpen to trafficPratt through truss1910--130.0265.0
Bucks Creek Powerhouse RoadBucks Creek Powerhouse Road over North Fork Feather RiverOpen to trafficBailey pony truss------212.0
Bucks Lake Spillway BridgeRoadway over Bucks Lake spillwayOpen to authorized vehicles onlyWarren deck truss with alternating verticals1928------
Butt Reservoir Road BridgeButt Reservoir Road over Butt Reservoir SpillwayOpen to trafficPony truss1940--55.157.1
Butte Bar BridgePacific Crest Trail over Middle Fork Feather RiverOpen to pedestrians onlySteel arch--------
Caribou Road BridgeCaribou Road over North Fork Feather RiverOpen to trafficDeck plate girder1952--69.9157.2
Dead Fall Lane BridgeNorth Valley Road over Lights CreekOpen to trafficWarren pony truss1947--100.1105.0
Dyson Lane BridgeDyson Lane over Middle Fork Feather RiverOpen to trafficPratt through truss1908--100.0285.0
East Branch North Fork Feather River BridgeVirgilia Road over East Branch North Fork Feather RiverNo longer existsPony truss1949200060.0217.9
Elephant Butte TunnelState Route 70 under Elephant ButteOpen to trafficTunnel1937--1187.11187.1
Gopher Hill Road BridgeGopher Hill Ldfl R over Spanish CreekOpen to trafficWarren pony truss1938--80.181.0
Grizzly Creek BridgeState Route 70 over Grizzly CreekOpen to trafficClosed-spandrel arch1931--19.023.0
Grizzly Dome TunnelState Route 70 under Grizzly DomeOpen to trafficTunnel1936--390.1390.1
Hartman Bar BridgePedestrian and equestrian traffic over Middle Fork Feather RiverOpen to pedestrians and equestrians onlyWire suspension--------
Howell's BridgeCA 70 over North Fork Feather RiverOpen to trafficSteel through arch1934--129.9134.8
Keddie Resort Road BridgeKeddie Resort Road over Spanish CreekOpen to trafficWarren pony truss with alternating verticals1914--86.086.0
Nelson Creek BridgeOld Quincy La Porte Road over Nelson CreekOpen to pedestriansPratt through truss1890--148.0148.0
Nelson Street BridgeNelson Street over Indian CreekOpen to trafficWarren pony truss1941--100.1104.0
North Fork Feather River BridgeCA 70 over North Fork Feather RiverOpen to trafficParker through truss1936--290.0359.9
Pipeline Arch BridgePipeline over Grizzly CreekOpenClosed-spandrel arch1920------
Port Wine Little BridgePort Wine Road over Slate CreekOpen to trafficSteel rigid frame1936--49.051.0
Port Wine Steel BridgePort Wine Road over Slate CreekOpen to trafficPratt through truss1910--120.0123.0
Rich Bar Road BridgeRich Bar Road over East Branch North Fork Feather RiverBridge is lost, replaced by Bailey truss bridge on same piersPony truss1932--85.0118.1
Rockcrest Camp BridgePrivate utility road over North Fork Feather RiverOpen to trafficDeck plate girder------312.0
Rogers Flat BridgeRogers Flat Road over North Fork Feather RiverAbandonedPony/through plate girder----120.0228.0
Rush Creek BridgeState Route 70 over Rush CreekOpen to trafficConcrete rigid frame1932--12.129.9
Saint Louis BridgeSt Louis Road over Slate CreekOpen to pedestrians onlyDeck arch1913--13.195.1
Shoofly BridgeRoad over Indian CreekDerelict/abandonedPratt through truss1889------
Silvertip Springs Road BridgeBridge over South Fork of Feather RiverOpen to trafficTimber stringer--------
Slate Creek Bridge - Scales Road/YC 2/USFS 20N63/'Old' ScalesScales Road (20N63) over Slate CreekPreserved in place for pedestrian trafficWarren pony truss with all verticals1939------
Sloat Poplar Valley Road BridgeSloat-Poplar Valley Road over Middle Fork Feather RiverReplaced by Bailey truss bridgeDeck plate girder1959--68.0248.0
Spanish Creek Bridge (1932)CA 70 over Spanish CreekReplaced by a new bridgeWarren deck truss19322012142.1618.1
Spanish Creek Bridge (2012)CA 70 over Spanish CreekOpen to trafficOpen-spandrel arch2012--380.6630.0
Spanish Ranch Road BridgeSpanish Ranch Road over Spanish CreekOpen to trafficSteel stringer1962--48.953.2
Storrie BridgeCA 70 over North Fork Feather RiverOpen to trafficWarren pony truss1936--120.1360.9
Storrie Bridge (Duplicate)Highway 70 over North Branch of Feather RiverOpen to trafficPolygonal Warren pony truss with alternating verticals1936------
Tobin Feather River BridgeCA 70 over North Fork Feather RiverOpen to trafficK-Parker through truss1936--183.1251.0
Two Rivers Road BridgeTwo Rivers Road over Middle Fork Feather RiverOpen to trafficBailey pony truss----173.0173.0
UP - CA 49 OverpassUnion Pacific Railroad over CA 49Open to trafficSlab1928--25.936.1
UP - CA 89 OverpassUnion Pacific Railroad over CA 89Open to trafficPony/through plate girder1908--55.862.3
UP - Chilcoot TunnelRailroad (UP) under Open to trafficTunnel1906----6002.0
UP - Clear Creek TrestleUnion Pacific RR over Clear CreekOpen to trafficDeck plate girder--------
UP - Clio TrestleUP Railroad over Willow CreekOpen to trafficDeck plate girder1909----1005.0
UP - Keddie Wye BridgeUnion Pacific RR over Spanish CreekOpen to trafficWarren deck truss1909----512.0
UP - Keddie Wye Tunnel 32UP Railroad under Cal Rte 70Open to trafficTunnel1909------
UP - Rock Creek BridgeUnion Pacific Railroad over Rock CreekOpen to trafficWarren deck truss1909----404.0
UP - Spring Garden TunnelRailroad (UP) under Open to trafficTunnel------7334.0
UP - Tobin BridgeUnion Pacific Railroad over Hwy 70 and North Fork Feather RiverOpen to trafficPratt through truss1909--234.0234.0
UP - Tunnel 31UP RR under Cal Rte 89Open to trafficTunnel--------
UP - Williams Loop TunnelRailroad (UP) under Railroad (UP)Open to trafficTunnel1914------