Washington, Alexandria & Mt. Vernon Railway

Long Bridge (1835) (Washington, District of Columbia)
Built 1835 by DC government to replace 1809 span damaged 1831; damaged by high water/ice 1836, 1841, 1856, 1860, 1863, 1866, 1887; rail tracks added for Baltimore & Potomac RR 1870s; removal and replacement authorized 1901, removed 1906.
Howe through truss bridge