Bollman truss

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BO - Bellaire Bridge (Old) (Belmont County, Ohio)
(Main design: Whipple through truss)
Built 1869-1871
Lost Whipple through truss bridge over Ohio River on Baltimore & Ohio Railroad
Replaced by a new bridge

BO - Bollman Truss over Georges Creek (Mineral County, West Virginia)
Bollman through truss bridge over Georges Creek on B&O RR
Replaced 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 1936
Lost Bollman through truss bridge over Potomac River on B&O Railroad/US 340
Destroyed by flood

BO - Lower Elysville Bridge (2nd) (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 B&O Railroad
No longer exists

BO - Lower Elysville Bridge (3rd) (Howard County, Maryland)
Built 1868
Lost Bollman through truss bridge over Patapsco river on B&O Railroad
No longer exists

BO - Muskigum River Bollman Bridge (Muskingum County, Ohio)
Built 1855, Replaced 1912
Lost Bollman through truss bridge over Muskingum River on Railroad (B&O)
Replaced by a new bridge

BO - Opequon Creek Bollman Bridge (Frederick County, Virginia)
Lost Bollman through truss bridge over Opequon Creek on Baltimore & Ohio Railroad
Replaced 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, 1871
Lost Whipple through truss bridge over Ohio River on Baltimore & Ohio Railroad
Replaced 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 realignment
Lost Bollman through truss bridge over Patapsco River on Former Baltimore & Ohio Railroad
Replaced by a new bridge

BO - Pulp Mill Bollman Truss (Jefferson County, West Virginia)
Built 1852
Lost Bollman through truss bridge over Armory Canal on Baltimore & Ohio Railroad
Replaced by a new bridge

BO - Rowlesburg Bollman Truss (Preston County, West Virginia)
Bollman through truss bridge over Cheat River on B&O RR
Replaced by a new bridge

BO - Twenty-First Bridge (Allegany County, Maryland)
Built 1861
Lost Bollman through truss bridge over Potomac River on Baltimore and Ohio Railroad
Replaced by a new bridge

BO - Upper Elysville Bridge (2nd) (Howard County, Maryland)
Built beginning in 1853, opened in1854
Lost Bollman through truss bridge over Patapsco river on B&O Railroad
No 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 Street
Open 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 1908
Lost Bollman through truss bridge over Mississippi River on Railroad
Replaced by a new bridge