Blue River Bridge (Johnston County, Oklahoma)
Built 1933
Through truss bridge over Blue River on OK 99
Open to traffic

Caney River Bridge (Osage County, Oklahoma)
Built 1935
Through truss bridge over Caney River on OK 99
Open to traffic

Clear Boggy Creek Bridge (Pontotoc County, Oklahoma)
Built 1932
Pony truss bridge over Clear Boggy Creek on OK 99 in Ada
Open to traffic

Deer Creek OK 99 Bridge (Lincoln County, Oklahoma)
Built 1933
Pony truss bridge over Deer Creek on OK 99
Open to traffic

Hominy Creek Bridge (Osage County, Oklahoma)
Built 1936
Through truss bridge over Hominy Creek on OK 99
Unknown status

Jack Fork Creek Bridge (Pontotoc County, Oklahoma)
Built 1932
Through truss bridge over Jack Fork Creek on OK 99 in Ada
Open to traffic

Mill Creek Bridge (Pontotoc County, Oklahoma)
Built 1932
Pony truss bridge over Mill Creek on OK 99 in Ada
Open to traffic

Pond Creek Bridge (Osage County, Oklahoma)
Built 1935; rehabilitated 1950
Through truss bridge over Pond Creek on OK 99
Open to traffic

Washita River Bridge (Johnston County, Oklahoma)
Built 1943
Through truss bridge over Washita River on OK 99 in Tishomingo
Open to traffic