Beaver Creek Bridge
Open-spandrel arch bridge over Beaver Creek on SD 87
Open to traffic
Built 1929

Cheyenne River Bridge
Through truss bridge over Cheyenne River on CR 656, 11.7 mi. east and 0.8 mi. north of Buffalo Gap
Open to traffic
Built 1934

French Creek Bridge
Concrete arch bridge over French Creek on SD 87 in Custer State Park
Open to traffic
Built 1937 by the Civilian Conservation Corps

French Creek Bridge
Pony truss bridge over French Creek on a county road, 2 mi. south and 10.5 mi. east of Fairburn
Open to traffic
Built 1950