L. M. Mackey
Caney River Bridge (Washington County, Oklahoma)
Built 1937Through truss bridge over Caney River on OK 123 in BartlesvilleOpen to traffic
Washita River Bridge (Roger Mills County, Oklahoma)
Built 1932Pony truss bridge over Washita River on OK 33Relpaced in 2008
Washita River Bridge (Roger Mills County, Oklahoma)
Built 1932Pony truss bridge over Washita River on OK 33Open to traffic