Pennsylvania Railroad Old Bridge over Standing Stone Creek was created in 1850.
Oil City Pennsylvania Railroad Bridge was created in 1902.
Pennsylvania Railroad Bridge over Shavers Creek was created in 1889.
Columbia Railroad Bridge was created in 1920.
Railroad Bridge Company was created in 1853.
New Railroad Bridge was created in 1979.
Wilsonville railroad bridge was created in 1975.
Glasgow Railroad Bridge was created in 1879.
Louisiana Railroad Bridge was created in 1873.
Struve Railroad Bridge was created in 1870.
Anacostia Railroad Bridge was created in 1872.
Beverly Railroad Bridge was created in 1909.
Fairmont Railroad Bridge was created in 1912.