Pequonnock River Railroad Bridge was created in 1998.
Norwalk River Railroad Bridge was created in 1896.
Blackledge River Railroad Bridge was created in 1912.
Housatonic River Railroad Bridge was created in 1904.
Mianus River Railroad Bridge was created in 1904.
Saugatuck River Railroad Bridge was created in 1905.
River Road Stone Arch Railroad Bridge was created in 1887.
Ashley River Railroad was created in 1877.
North River Railroad was created in 1881.
Flint River Railroad was created in 1871.
West River Railroad was created in 1905.
Hudson River Railroad was created in 1846.
Illinois River Railroad was created in 1853.