U.S. Department of Agriculture

of Washington, D.C.
Bankhead Nation Forest Sipsey River Trailhead Bridge (Lawrence County, Alabama)
Built 1934
Pony truss bridge over Thompson Creek on road between Bankhead parking lots
Open to traffic

Ouachita River Bridge (Polk County, Arkansas)
Built 1936
Concrete rigid frame bridge over Ouachita River on CR 97
Open to traffic

Rock Arch Tunnel #1 (Garfield County, Utah)
Built 1941
Rock Arch Tunnel over SR-12
Open to traffic

Rock Arch Tunnel #2 (Garfield County, Utah)
Built 1941
Tunnel under Sr-12 on Rock Arch Tunnel
Open to traffic