Nevada County

NameLocationStatusDesignYear BuiltYear LostSpan Length (ft.)Total Length (ft.)
Auburn Road BridgeAuburn Road over Wolf CreekNo longer existsPony truss1915200465.967.9
Bowman Lake Road BridgeBowman Lake Road, Forestry Rd 18 over South Fork Yuba RiverReplaced by new bridgeUnknown------90.0
Bridgeport Covered Bridge 05-29-01Pleasant Valley Road over South Fork Yuba RiverClosed to all traffic as of October 21, 2011Howe through truss1862--208.0229.0
Diggins Hill BridgeDiggins Hill over Bear River (Dutch Flat Reservoir Spillway)Open to trafficSteel stringer--------
Dog Bar RoadDog Bar Road over Bear RiverOpen to trafficGirder1935--80.1194.9
Donner Pass Road BridgeDonner Pass Road over Donner SummitOpen to trafficOpen-spandrel arch1924--117.1241.2
Edwards Crossing BridgeBloomfield Road over South Yuba RiverOpen to trafficSteel arch1904--113.9168.0
Freeman's Crossing BridgeState Route 49 over Middle Yuba RiverReplaced by new bridgeOpen-spandrel arch19211994----
Gault BridgeSouth Pine Street over Deer CreekOpen to trafficSteel arch1903--149.9299.9
Hirschdale Road BridgeOld Hirschdale Road over Truckee RiverOpen to pedestriansParker through truss----136.0136.0
Maybert Road BridgeMaybert Road over Canyon CreekReplaced by a new bridgePratt pony truss1915201760.062.0
Middle Yuba River BridgeUnnamed Dirt Road over Middle Yuba RiverCollapsedWarren pony truss--------
Old Spenceville BridgeSpenceville Road over Dry CreekDestroyed, possibly by flood. Only pier foundations and concrete chunks remain.Unknown--1920----
Plumbago Road BridgePlumbago Rd over Middle Fork Yuba RiverOpen to trafficPolygonal Warren pony truss1935----105.0
Polaris Arch BridgeGlenshire Drive over Truckee RiverNo longer existsClosed-spandrel arch19252001160.1397.0
Purdon Crossing BridgePurdon Road over South Yuba RiverOpen to trafficPratt half-through truss1889--145.0191.9
Rector Road BridgeRector Road over Rock CreekOpen to trafficSteel stringer1915--25.929.9
Small Concrete Spenceville Road Pedestrian BridgeSpenceville Road over Little Dry CreekOpen to pedestrians as part of trail. May be crossed by authorized vehicles.Concrete stringer1920------
Small Wooden Spenceville Road BridgeSpenceville Road over Tributary of Dry CreekOpen to trafficTimber stringer1920------
South Yuba River BridgeOld Hwy 49 over South Yuba RiverPedestrian traffic only, replaced by new bridgeOpen-spandrel arch1921--129.9191.9
SP - Summit Tunnelformer Central Pacific (later SP) Railroad under AbandonedTunnel18681993--10322.0
Truckee River Railroad BridgeUnion Pacific BNSF Railroad over Truckee RiverReplaced by new bridgeHowe through truss--------
UP - CA 89 OverpassCA 89 over Union Pacific RailroadOpen to trafficClosed-spandrel arch1929--76.142.0
UP - Iceland BridgeUnion Pacific Railroad over Truckee RiverOpen to trafficCamelback through truss1907--192.0192.0
UP - Little Truckee River BridgeUnion Pacific Railroad over LIttle Truckee RiverOpen to trafficClosed-spandrel arch--------
UP - Tunnel 35Union Pacific Railroad under Open to trafficTunnel1924----738.0
UP - Tunnel 36Union Pacific Railroad under Open to trafficTunnel1924----326.0
UP - Tunnel 37Union Pacific Railroad under Open to trafficTunnel1925----411.0