Black Rock Bridge (Lawrence County, Arkansas)
Built 1949 by the Massman Construction Company
Twelve-span deck truss bridge on US 63/US 412 over Black River and AR 25 at Black Rock
Open to two-lane traffic

Cache River US 412 Bridge (Lawrence County, Arkansas)
Built 1934 by the Vincennes Bridge Co.; replaced 1995
Abandoned pony truss bridge over Cache River on US 412 between Walnut Ridge and Paragould
Replaced by new bridge, but main span preserved in place