That would be a "trestle"
Railroad Bridge Company ended in 1866.
Beverly Railroad Bridge was created in 1909.
Wilsonville railroad bridge was created in 1975.
Anacostia Railroad Bridge was created in 1872.
Railroad Bridge Company was created in 1853.
New Railroad Bridge was created in 1979.
Columbia Railroad Bridge was created in 1920.
Struve Railroad Bridge was created in 1870.
Fairmont Railroad Bridge was created in 1912.
Glasgow Railroad Bridge was created in 1879.
Trestle is a word for railroad bridge.
Louisiana Railroad Bridge was created in 1873.