Old Woodruff Lane Bridge[Map · Street View] Abandoned concrete deck girder bridge over Jack Slough on abandoned alignment of Woodruff Lane Derelict/abandoned Built unknown date, bypassed circa 1966
Oregon Creek Covered Bridge 05-58-01[Map] Covered bridge over Oregon Creek on Alleghany Ridge Road at Oregon Creek Campground Open to light traffic Built 1860 by Thomas Freeman, closed 2010, rehabilitated and reopened 2017
Parks Bar Bridge[Map] Open-spandrel arch bridge over Yuba River on CA 20 Replaced in 1993 and destroyed. Built 1913
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.
Spring Valley Road Bridge[Map · Street View] Bridge on Spring Valley Road over Little Dry Creek Open to traffic Built in 1920 and carries traffic on Spring Valley Road. Road is located between Highway 20 and Marysville-La Porte Road.
UP - Twin Cities Bridge[Map · Street View] Pin connected Pratt through truss bridge over Feather River on railroad trail Open to pedestrians Built 1907; Road trusses removed ca. 1955 due to flooding damage.
Waldo Road Bridge[Map] Through truss bridge over Dry Creek on Waldo Road in Spenceville Wildlife Area Open and crossed, May 2010, after temporary closure in February 2009 due to deteriorating condition. Built 1901