Black Rock Bridge[Map · Street View] Lost twelve-span deck truss bridge on US 63/US 412 over Black River and AR 25 at Black Rock Replaced by a new bridge Built 1949 by the Massman Construction Co.; replaced 2015
Cache River Bridge[Map · Street View] Abandoned pony truss bridge over Cache River on US 412 Replaced by new bridge, but main span preserved in place Built 1934 by the Vincennes Bridge Co.; replaced 1995
Imboden Bridge[Map · Street View] Pony and deck truss bridge over Spring River and the Frisco Railroad on US 62 at Imboden Open to two-lane traffic, with a pedestrian sidewalk Built 1937 by C.F. Lytle of Sioux City, Iowa
Spring River Swinging Bridge[Map] Lost swinging bridge over Spring River next to AR 361 between Black Rock and Old Davidsonville Bridge destroyed, but some vestiges remain, including a standing tower, a fallen tower, some cables, and some approach piers Built 1936 by the Works Progress Administration; destroyed by fire in 1951 under mysterious circumstances. Current bridge built 1992.