Keywords: Orange & Alexandria Railroad Bridge over Bull Run (ca. 1863).jpg en Union Army Truss Bridge across Bull Run on the Orange Alexandria Railroad built April 1863 under the supervision of General Herman Haupt Other date circa 1863 Library of Congress http //hdl loc gov/loc pnp/ppmsca 33476 unknown photographer other versions 38 776436 -77 421606 Bull Run is a tributary of the Occoquan River It serves as a boundary between Fairfax County Prince William County and Loudon County The stream enters the river northeast of Manassas Virginia the O A RR crossed it once PD-old-70-1923 Uploaded with UploadWizard American Civil War American Civil War bridges American Civil War technology |