Bollman truss
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BO - Bellaire Bridge (1871) (Belmont County, Ohio)
(Main design: Whipple through truss)Built 1869-1871Lost Linville-Piper Variant Whipple through truss truss bridge over Ohio River on Baltimore & Ohio RailroadReplaced by a new bridge
BO - Harpers Ferry Bollman Bridge (Jefferson County, West Virginia)
Built 1852; Converted to road-only use 1894; 3 spans destroyed by flood 1924; Totally destroyed by flood in March 1936Lost Bollman through truss bridge over Potomac River on B&O Railroad/US 340Destroyed by flood
BO - Lower Elysville Bridge (1853) (Howard County, Maryland)
Built 1853 lost 1868 due to flooding. Replaced by a bridge of similar design but with an additional span.Lost Bollman through truss bridge over Patapsco river on BO RailroadNo longer exists
BO - Opequon Creek Bollman Bridge (Frederick County, Virginia)
Lost Bollman through truss bridge over Opequon Creek on Baltimore & Ohio RailroadReplaced by a new bridge
BO - Parkersburg Bridge (Old) (Wood County, West Virginia)
(Main design: Whipple through truss)Construction started July 9, 1869, and the bridge opened January 7, 1871Lost Whipple through truss bridge over Ohio River on Baltimore & Ohio RailroadReplaced by a new bridge
BO - Patterson Bollman Bridge (Howard County, Maryland)
Built 1869 atop washed-out ruins of Patterson Viaduct, replaced 1902-03 by line realignmentLost Bollman through truss bridge over Patapsco River on Former Baltimore & Ohio RailroadReplaced by a new bridge
BO - Pulp Mill Bollman Truss (Jefferson County, West Virginia)
Built 1852Lost Bollman through truss bridge over Armory Canal on Baltimore & Ohio RailroadReplaced by a new bridge
BO - Twenty-First Bridge (Allegany County, Maryland)
Built 1861Lost Bollman through truss bridge over Potomac River on Baltimore and Ohio RailroadReplaced by a new bridge
BO - Upper Elysville Bridge (1854) (Howard County, Maryland)
Built beginning in 1853, opened in1854Lost Bollman through truss bridge over Patapsco river on BO RailroadNo longer exists
Bollman Bridge (Howard County, Maryland)
Built for the main line of the B&O Railroad in 1869. Moved to present location around 1887. Remained in service until 1947. Restored in 1968 (perhaps 1983).Bollman through truss bridge over Little Patuxent River in Savage, near the intersection of Goman Road and Foundry StreetOpen to pedestrians
CNW - Clinton Bridge (West Channel) (Clinton County, Iowa)
Built 1865; Approaches reconstructed 1874; Drawspan replaced 1887; Approaches reconstructed again 1898; replaced by a new bridge in 1908Lost Bollman through truss bridge over Mississippi River on RailroadReplaced by a new bridge