Appalachian Trail/CSX - Potomac River Bridge[Map · Street View] Through truss bridge over Potomac River and old C&O Canal in Harpers Ferry on CSX Railroad and Appalachian Trail Closed for repair after derailment Built 1894, was mainline until 1931 bridge built to the north; damaged in derailment 2019
Bear Creek Bridge[Map] Wooden bridge over Bear Creek on Old US 40 in Hancock Open to traffic Built 1916; rehabilitated 1995
Beaver Creek Bridge[Map · Street View] Stone arch bridge over Beaver Creek on US 40 ALT Open to traffic Built 1820s; rehabilitated 1939 and 1949
Beaver Creek US 40 Bridge[Map] Concrete rigid frame bridge over Beaver Creek on US 40 Open to traffic Built 1936
BO - Harper Ferry Bridge (pre-1861)[Map · Street View] Lost Through truss bridge over Potomac River on Former B&O Destroyed by disaster Built in 1836; Burned 1861, 2 months after the start of the Civil War
BO - Harpers Ferry Bollman Bridge[Map] Lost Bollman through truss bridge over Potomac River on B&O Railroad/US 340 Destroyed by flood Built 1852; Converted to road-only use 1894; 3 spans destroyed by flood 1924; Totally destroyed by flood in March 1936
BO - Pulp Mill Bollman Truss[Map] Lost Bollman through truss bridge over Armory Canal on Baltimore & Ohio Railroad Replaced by a new bridge Built 1852, original B&O mainline; bypassed c1892
BO - Sleepy Creek Bridge[Map] Lost Pratt through truss bridge over Sleepy Creek on Baltimore & Ohio Railroad Replaced by a new bridge
Broadfording Bridge[Map · Street View] Stone arch bridge over Conococheague Creek on Broadfording Road in Maugansville Open to traffic Built 1829; rehabilitated 2005
Burnside's Bridge[Map] Stone arch bridge over Antietam Creek on Antietam National Battlefield Open to pedestrian traffic on the battlefield Built 1836
Cedar Ridge Road Bridge[Map · Street View] Stone arch bridge over Meadow Brook Creek on Cedar Ridge Road in Clear Spring Open to traffic Built 1935; rehabilitated 1997
CSX - Long Bridge[Map] Bridge over Antietam Creek on Formerly B&O/CSX Removed completely, piers visible on google & bing maps HAER says initial construction 1896; however NR says 1867; CSX abandoned the railroad line in the late 1970s or 1980s
CSX - Potomac River Bridge[Map · Street View] Deck plate girder bridge over Potomac River on CSX Railroad Open to traffic Built 1931; mainline relocated to the north and Appalachian Trail/CSX - Potomac River Bridge became a branchline
Devil's Backbone Bridge[Map] Stone arch bridge over Beaver Creek on "Route 68/ just West of Alt Route 40/ The Old National Pike" Open to traffic Built 1824
Felfoot Bridge[Map] Stone arch bridge over Little Antietam Creek on Dogstreet Road in Keedysville Open to traffic Built 1854; rehabilitated 1996
Funkstown Bridge[Map] Stone arch bridge over Antietam Creek on US 40 ALT Open to traffic Built 1823; widened 1931 by H.O. Williar Jr. (Chief Engineer); W.C. Hopkins (Bridge Engineer)
Funkstown Bridge No. 2[Map] Stone arch bridge over Antietam Creek on East Oak Ridge Drive in Funkstown Open to traffic Built 1833; rehabilitated 1983
Hancock Bridge (1889)[Map] Lost Baltimore through truss bridge over Potomac River on Church Street Replaced by a new bridge on a new alignment Built 1889; partially destroyed by 1937 flood and replaced by new bridge 1/2 mile to the west
Hess's Mill Bridge[Map] Stone arch bridge over Little Antietam Creek on Coffman Farms Road in Sharpsburg Open to traffic Built 1832; rehabilitated 1979
Hitt Bridge[Map] Stone arch bridge over Antietam Creek on Keedysville Road Open to traffic Built 1830; rehabilitated 1980
Keedysville Bridge (1927)[Map] Closed spandrel concrete arch bridge over Antietam Creek on State Hwy 845 Open to traffic
Keedysville Bridge (Pre 1927)[Map] Lost Pratt pony truss bridge over Little Antietam Creek on South Main Street Replaced by a new bridge Built Unknown
Leitersburg Bridge No. 2[Map · Street View] Stone arch bridge over Antietam Creek on Leiters Mill Road in Smithsburg Open to traffic Built 1839; rehabilitated 1983
Little Tonoloway Creek Bridge[Map] Concrete arch bridge over Little Tonoloway Creek on Westbound MD 144 in Bartonsville Open to traffic Built 1925; rehabilitated 1952
Marble Quarry Road Bridge[Map] Lost Bridge over Little Antietam Creek on Marble Quarry Road Replaced by new bridge Built 1920; rehabilitated 2007; removed 2010
Middle Bridge[Map] Lost Stone arch bridge over Antietam Creek on Shepherdstown Pike Destroyed by flooding
Millbrook Road Bridge[Map] Concrete arch bridge over Little Antietam Creek on Millbrook Road in Keedysville Open to traffic Built 1920; rehabilitated 1965
Myers Mill Bridge[Map] Lost Through truss bridge over Antietam Creek on Sherpardstown Pike Replaced by a new bridge
Old Forge Road Bridge[Map] Stone arch bridge over Antietam Creek on Old Forge Road Open to traffic Built 1863; rehabilitated 1981
Poffenberger Road Bridge[Map · Street View] Stone arch bridge over Antietam Creek on Poffenberger Road in Funkstown Open to traffic Built 1841; rehabilitated 1979
Poffenberger Road Bridge[Map] Stone arch bridge over Antietam Creek on Poffenberger Road in Funkstown Open to traffic Built 1840; rehabilitated 1979
Potomac River Bridge (1939)[Map] Deck truss bridge over Potomac River and C&O Canal on MD 34 & WV 480 Demolished and replaced. Built 1939
Potomac River Bridge (Pre 1939)[Map] Lost Pratt through truss bridge over Potomac River on MD 34 Replaced by a new bridge Built 1890; replaced 1939
Potomac River Bridge (Replacement)[Map] Lost four-span deck truss bridge over Potomac River on WV 480F (MD 34) in Shepherdstown Replaced by new bridge Built 1939; replaced 2005
Price's Ford Bridge[Map] Stone arch bridge over Conococheague Creek on Cearfoss Pike Bypassed by new bridge
Pry's Mill Bridge[Map] Stone arch bridge over Little Antietam Creek on Keedysville Road in Sharpsburg Open to traffic Built 1858; rehabilitated 1982
Rose's Mill Bridge[Map] Stone arch bridge over Antietam Creek on Garis Shop Road in Funkstown Open to traffic Built 1839; rehabilitated 1979
Roxbury Mills Bridge[Map] Stone arch bridge over Antietam Creek on Roxbury Road in Boonsboro Open to traffic Built 1824; rehabilitated 2002
Sandy Hook Bridge[Map · Street View] Deck truss bridge over Potomac River on US 340 Open to traffic Built 1947; rehabilitated 1978
Sandy Hook Road Overpass[Map] Steel stringer bridge over Csx Railroad on Sandy Hook Road Open to traffic Built 1925; rehabilitated 1990
Shenandoah River Bridge[Map] Lost Pratt through truss bridge over Shenandoah River on Road No longer exists Built 1882; Three spans lost during the Flood of 1889; Reopened 1892; Destroyed by flood in March 1936
Shepherdstown Covered Bridge 20-21-02x[Map] Lost Through truss covered bridge over Potomac River on old road Destroyed by fire in the Civil War in 1861 Built 1850 to replace Blackford Ferry, burned by Confederate troops in 1861
Sideling Hill Creek Bridge[Map] Girder bridge over Sideling Hill Creek on Pearre Road Open to traffic Built 1890; rehabilitated 2002
Sideling Hill Creek Bridge[Map] Concrete arch bridge over Sideling Hill Creek on US 40 SCN Open to traffic Built 1925
Tollgate Ridge Road Bridge[Map] Concrete arch bridge over Tonoloway Creek on Tollgate Ridge Road in Hancock Closed to all traffic Built 1916
US340 Potomac River Bridge[Map] Deck truss bridge over Potomac River on US 340 Open to traffic Built 1946; rehabilitated 1978
Williamsport Toll Bridge[Map] Lost Pony/through plate girder bridge over Potomac River and C&O Canal on West Potomac Street Replaced by a new bridge Built 1908-1909; replaced 1980
Wilson's Bridge[Map · Street View] Stone arch bridge over Conococheague Creek on National Pike Open to pedestrians Built 1819 by Silas Harry; closed to traffic June 1972 after suffering damage from Hurricane Agnes
Wilson's Bridge (1936)[Map · Street View] Concrete arch bridge over Conococheague Creek on US 40 in Wilson-Conococheague Open to traffic Built 1936
WM - Ernstville Road Underpass[Map] Deck arch bridge over Western Maryland Rail Trail on Erntsville Road Open to pedestrians only Built for WM Rwy
WM - Little Tonoloway Creek Bridge[Map] Deck arch bridge over Little Tonoloway Creek on Western Maryland Rail Trail Open to pedestrians only Built for WM Rwy
WM - Sideling Hill Creek Bridge[Map] Abandoned deck plate girder bridge over Sideling Hill Creek on Western Maryland West Subdivision Derelict/abandoned Built 1904
WM - Tonoloway Creek Bridge[Map] Deck plate girder bridge over Tonoloway Creek on Western Maryland Rail Trail Open to pedestrians only Built for WM Rwy