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Nevada County

Ancho Erie Mine Road Bridge [Map]
Timber stringer bridge over Poorman Creek Tributary Ravine on Ancho Erie Mine Road
Open to traffic
Built pre-1900 (bridge is resemblant of Gold Rush era timber stringer bridges), restricted to motorcycles and pedestrians only due to deteriorating condition 2011, repaired and reopened 2013

Auburn Road Bridge [Map · Street View]
Lost pony truss bridge over Wolf Creek on Auburn Road
No longer exists
Built 1915; replaced 2004

Bowman Lake Road Bridge [Map · Street View]
Lost Bridge over South Fork Yuba River on Bowman Lake Road, Forestry Rd 18
Replaced by new bridge
Lost unknown year.

Bridgeport Covered Bridge 05-29-01 [Map · Street View]
Covered bridge over South Fork Yuba River on Pleasant Valley Road in South Yuba State Park
Closed to all traffic as of October 21, 2011
Built 1862 by the Virginia Turnpike Co.; closed to traffic in 1973

Diggins Hill Bridge [Map · Street View]
Steel stringer bridge over Bear River (Dutch Flat Reservoir Spillway) on Diggins Hill
Open to traffic
Built unknown year.

Dog Bar Road [Map · Street View]
Girder bridge over Bear River on Dog Bar Road
Open to traffic
Built 1935; rehabilitated 2000

Donner Creek Trail Bridge [Map]
Bridge over Donner Creek on Trail
Open to pedestrians only

Donner Pass Road Bridge [Map · Street View]
Concrete arch bridge over Donner Summit on Donner Pass Road
Open to traffic
Built 1924; rehabilitated 1996

Eagle Bird Mine Bridge [Map]
Lost Bridge over South Yuba River on Maybert Road/Eagle Bird Mine Road
Destroyed
Built circa 1880, destroyed unknown year. Very little is known about this bridge, and only a pier still stands.

Edwards Crossing Bridge [Map · Street View]
Steel arch bridge over South Yuba River on Bloomfield Road
Open to traffic
Built 1904 by the American Bridge Co.

Freeman's Crossing Bridge [Map · Street View]
Lost Open-spandrel arch bridge over Middle Yuba River on State Route 49
Replaced by new bridge
Build 1921, Replaced 1994

Gault Bridge [Map · Street View]
Steel arch bridge over Deer Creek on South Pine Street in Nevada City
Open to traffic
Built 1903, replaced with replica in 1996

Hirschdale Road Bridge [Map · Street View]
Parker through truss bridge over Truckee River on Old Hirschdale Road
Open to pedestrians

Hirschdale Road-Truckee River Bridge [Map · Street View]
Concrete tee beam bridge over Truckee River on Hirschdale Road
Open to traffic
Built 1926

Hirschdale Road-Up Rr, Bnsf Ry, & Amtrak Bridge [Map · Street View]
Concrete tee beam bridge over Up Rr, Bnsf Ry, & Amtrak on Hirschdale Road
Open to traffic
Built 1926

Humbug Creek Bridge [Map]
Timber stringer bridge over Humbug Creek on Relief Hill Road
Open to traffic
Built 1952

Maybert Road Bridge [Map]
Pratt Pony truss bridge over Canyon Creek on Maybert Road
In process of being relocated to Nevada City for pedestrians.
Built 1895; replaced 2017

Middle Yuba River Bridge [Map]
Lost Pratt pony truss bridge over Middle Yuba River on Unnamed Dirt Road
Collapsed

Old Spenceville Bridge [Map]
Lost Bridge over Dry Creek on Spenceville Road
Destroyed, possibly by flood. Only pier foundations and concrete chunks remain.
Built unknown year, destroyed circa 1920.

Pine Street Bridge (Old) [Map]
Lost Wire suspension bridge over Deer Creek on Pine Street
Replaced by a new bridge
Built 1862

Plumbago Road Bridge [Map]
Warren pony truss bridge over Middle Fork Yuba River on Plumbago Rd
Open to traffic
Built 1935

Polaris Arch Bridge [Map · Street View]
Lost concrete arch bridge over Truckee River on Glenshire Drive in Truckee
No longer exists
Built 1925; replaced 2001

Poorman Creek Bridge [Map]
Steel stringer bridge over Poorman Creek on North Bloomfield Graniteville Rd
Open to traffic
Built 1930

Purdon Crossing Bridge [Map · Street View]
Pratt half through through truss bridge over South Yuba River on Purdon Road
Open to traffic
Built 1889, rehabilitated 2013

Rector Road Bridge [Map · Street View]
Steel stringer bridge over Rock Creek on Rector Road
Open to traffic
Built 1915

Small Concrete Spenceville Road Pedestrian Bridge [Map]
Concrete stringer bridge over Little Dry Creek on Spenceville Road
Open to pedestrians as part of trail. May be crossed by authorized vehicles.
Built 1920, converted to pedestrian use unknown year.

Small Wooden Spenceville Road Bridge [Map]
Timber stringer bridge over Tributary of Dry Creek on Spenceville Road
Open to traffic
Built 1920.

South Yuba River Bridge [Map · Street View]
Concrete arch bridge over South Yuba River now used as pedestrian walk
Pedestrian traffic only, replaced by new bridge
Built 1921

SP - Summit Tunnels 6,7 and 8 [Map · Street View]
Abandoned tunnels on former Central Pacific (later SP) Railroad
Abandoned
Built by the Central Pacific Railway as part of the original transcontinental railway to finally cross the Sierra's at Donner Pass; Track 1 abandoned in 1996

Spenceville Bridge [Map]
Concrete closed-spandrel deck arch bridge over Dry Creek on Spenceville Road
Open to pedestrians as part of trail. May be crossed by authorized vehicles.
Built 1920, converted to pedestrian use unknown year.

Truckee River Railroad Bridge [Map]
Lost Bridge over Truckee River on Union Pacific BNSF Railroad
Replaced by new bridge

Tyler-Foote Crossing Bridge [Map]
Deck plate girder bridge over Middle Fork Yuba River on Tyler Foote Crossing Road
Open to traffic
Deck plate girder bridge replacement bridge on historic route

UP - CA 89 Overpass [Map · Street View]
Concrete arch bridge over Union Pacific Railroad on CA 89 in Truckee
Open to traffic
Built 1929

UP - Iceland Bridge [Map]
Camelback through truss bridge over Truckee River on Union Pacific Railroad
Open to traffic
Built 1907 by the American Bridge Co.

UP - Little Truckee River Bridge [Map]
Closed-spandrel arch bridge over LIttle Truckee River on Union Pacific Railroad
Open to traffic

UP - Tunnel 35 [Map]
Tunnel on Union Pacific Railroad
Open to traffic
Built 1924

UP - Tunnel 36 [Map]
Tunnel on Union Pacific Railroad
Open to traffic
Built 1924

UP - Tunnel 37 [Map]
Tunnel on Union Pacific Railroad
Open to traffic
Built 1925

Wolf Creek Pedestrian Bridge at Northstar Mine Musem [Map]
Concrete pony arch bridge over Wolf Creek on Trail
Open to pedestrians only