C Avenue Bridge[Map · Street View] 1943 concrete Slab bridge with brick railings over Ophir Canal on C Ave built in WWII as part of the Army Dewitt General Hospital This concrete slab bridge is in good condition Built by the US Army as part of Dewitt General Hospital in 1943.
Dry Creek Footbridge[Map · Street View] Parker through truss bridge over Dry Creek on Footpath Open to pedestrians Originally pedestrian crossing of Union Pacific Railroad, relocated as footbridge across Dry Creek, 1986.
Iowa Hill bridge[Map · Street View] Wire suspension bridge over North Fork American River on Foot traffic only Open to pedestrians Built in 1928 by Placer County to replace an earlier wood bridge at the same location. Replaced by Placer County in 1985, but left in place as a pedestrian bridge
McCourtney Road Bridge[Map] Lost Pony truss bridge over Doty Creek on McCourtney Road Replaced Built ca. 1930, replaced unknown year with concrete bridge
McKinney Creek Bridge[Map] Timber stringer bridge over Mckinney Creek on Mckinney Creek Road in Homewood Open to traffic Built 1950
Newcastle Tunnel[Map · Street View] Formet Hwy 40 Tunnel under Under hillside and BNSF,Amtrak Railroad on Taylor Rd Open to traffic This US Highway 40 tunnel opened in 1932 bypassing the bottleneck in the community of Newcastle.
No-Hands Bridge[Map · Street View] Closed-spandrel Reinforced concrete arch bridge over North Fork American River Open to pedestrians & horses Built 1912,
Ruck-A-Chunky Bridge[Map] Cable-stayed bridge over Middle Fork American River on Slinger Mine Road Never built Planned in 1960's to replace Greenwood Bridge as part of Auburn Dam project, but never built.
SP - Summit Tunnel[Map · Street View] Abandoned tunnel 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
Spenceville Bridge[Map] Steel stringer bridge over Dry Creek on Spenceville Road Closed to all traffic with minor damage. Built unknown year, closed sometime before 2011.