Mianus River Railroad Bridge was created in 1904.
Mianus River Bridge was created in 1958.
Norwalk River Railroad Bridge was created in 1896.
Pequonnock River Railroad Bridge was created in 1998.
Housatonic River Railroad Bridge was created in 1904.
Saugatuck River Railroad Bridge was created in 1905.
Blackledge River Railroad Bridge was created in 1912.
River Road Stone Arch Railroad Bridge was created in 1887.
It was built sometime in late 1950s to early 1960s
Cass River Railroad was created in 1871.
Western River Railroad was created in 1983.
Red River Railroad was created in 1835.
Great River Railroad was created in 1981.