Lost 1970
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Des Arc Swinging Bridge (Prairie County, Arkansas)
Built 1940-41; Removed in 1970Lost swinging bridge over White River on AR 38 at Des ArcNo longer exists
Diversion Channel MO 91 Bridge (Bollinger County, Missouri)
Built 1922; replaced 1970Lost bridge over the Diversion Channel on MO 91 north of AdvanceNo longer exists, but vestiges of old roadbed still visible
Manchester Bridge (Allegheny County, Pennsylvania)
Built 1911; demolished 1970Lost through truss bridge over the Allegheny River at The Point in PittsburghReplaced by new bridge
McDonald Covered Bridge (Douglas County, Oregon)
Built 1932, Replaced 1970Lost covered Howe through truss bridge over Lake Creek on Elk Ridge RoadReplaced by new bridge
Palmerton Crossing (Lehigh County, Pennsylvania)
The bridge was built sometime in 1910 for the Leigh Valley River Railroad which carried zinc from across the the Leigh Gap sides to the Palmerton side.Lost bridge over the Lehigh Valley River and Appalachian TrailCollapsed
Skaggs Bridge (Pulaski County, Missouri)
Replaced by the Pikes Peak Bridge in 1932Lost multi-span through truss bridge over Gasconade River between Crocker and WaynesvilleReplaced by new bridge
Slade's Ferry Bridge (Bristol County, Massachusetts)
The Slades Ferry swing bridge on the Falls River branch was a double-decker affair with automobile traffic running inside the truss, and trains running atop. The bridge was destroyed when a passing ship attempted to navigate past the swing section anLost double-decker truss bridge over Taunton RiverRemoved
South Windsor Covered Bridge (Ashtabula County, Ohio)
The South Windsor or Plank Road Covered Bridge carried Old Plank Road across the Grand River in Windsor Township, Ashtabula County Ohio, 1870-1970.Lost Town lattice truss bridge over Grand River on Twp Rd. 526 Old Plank RoadDestroyed by fire
Verdigris River Bridge (Rogers County, Oklahoma)
Built 1930s demolished 1970K-Parker through truss bridge over Verdigris River on State Route 33Replaced by a new bridge
Watonwan Valley Railway Viaduct (Martin County, Minnesota)
Abandoned in the 1970s when the railroad ceased service. Part of the span was removed. The railway line served Fairmont, Truman and Madelia.Abandoned bridge over Center Creek on Watonwan Valley Railway, later Chicago, St. Paul, Minneapolis, and Omaha Railway in FairmontAbandoned