Dakota Southern Railway

Reporting mark: DSRC
RWRR - Chamberlain Bridge (Brule County, South Dakota)
Built 1953 with the construction of Francis Case Lake, replacing an earlier 1923 bridge
Polygonal Warren through truss bridge over Missouri River (Francis Case Lake) on Ringneck & Western Railroad
Open to traffic, but rarely used

RWRR - Presho Bridge (E) (Lyman County, South Dakota)
Built 1913 at Fort Atkinson, Iowa; moved here 1922
Pony/through plate girder bridge over Medicine Creek on Ringneck & Western Railroad
Open to traffic

RWRR - Presho Bridge (W) (Lyman County, South Dakota)
Built 1907 near Neola, Iowa; moved here 1923
Pony/through plate girder bridge over Medicine Creek on Ringneck & Western Railroad
Open to traffic