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The Bollman Bridge is a two-span through-truss, resting on granite abutments at each end and a granite pier in the middle of the river. The truss structure is a mixture of wrought and cast iron. The truss configuration is the design patented by Bollman as the "Bollman suspension truss" in 1852.
Location County Type ... Bollman Truss Bullfrog Road Bridge: 1908 ... Burr Arch Through Truss LeGore Bridge: 1898-1900 September 18, 1978: Woodsboro
Boundary Map of the Union Mills Homestead Historic District, Carroll County, at Maryland Historical Trust Union Mills Homestead Historic American Engineering Record (HAER) No. md-170, " Bollman Truss Bridge, Union Mills Homestead Park, 3311 Littlestown Pike, Westminster, Carroll County, MD ", 1 photo, 1 photo caption page
Bollman's Bridge Patent (1852) Ilchester, Maryland, Bollman truss bridge over Patapsco River. The bridge was destroyed by a flood. On January 6, 1852, Bollman was awarded patent No. 8,624 for his unique design known as the "Bollman truss." [2] He left the B&O and founded W. Bollman and Company in 1858 with his partners John Clark and John H ...
Originally a Bollman truss iron bridge, replaced with a girder bridge in 1904. Monocacy River. Originally a 700-foot-long (210 m) Bollman truss, replaced with a seven-span girder bridge in 1904. Little Monocacy River. Originally a 500-foot wood trestle, replaced by a 331-foot stone arch viaduct in 1906. Great Seneca Creek (Waring Viaduct ...
Built in 1836–1837, the B&O's first crossing over the Potomac was an 830-foot (250 m) covered wood truss. [2] It was the only rail crossing of the Potomac River until after the American Civil War. The single-track bridge, composed of six river spans plus a span over the Chesapeake and Ohio Canal, was designed by Benjamin Henry Latrobe, II.
Name Image Built Listed Location County Type Bridge in Athens Township: 1913 June 22, 1988 removed August 22, 2012: Athens: Bradford: Pennsylvania (petit) truss Highway Bridges Owned by the Commonwealth of Pennsylvania, Department of Transportation TR
The historic Bollman truss bridge was built in 1869 and is the last of its kind in the country. It is preserved as a National Historic Landmark and sits at the trailhead of the Savage Mill Trail The Savage Mill Trail is located in an area that became a major manufacturing center in the early 1800s.