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  2. Bollman Truss Railroad Bridge - Wikipedia

    en.wikipedia.org/wiki/Bollman_Truss_Railroad_Bridge

    It was moved 35 years later to its present location, where it replaced the very first Bollman bridge. [2] [5] Today, it carries the Savage Mill Trail. The Bollman design, a through truss bridge, was the first successful all-metal bridge design to be adopted and consistently used on a railroad.

  3. B & O Railroad Potomac River Crossing - Wikipedia

    en.wikipedia.org/wiki/B_&_O_Railroad_Potomac...

    John Brown used the B&O bridge at the beginning of his failed attempt to start a slave insurrection in Virginia and further south. The bridge was destroyed during the Civil War and replaced temporarily with a pontoon bridge. [4]: 65 The two crossings today, which are on different alignments, are from the late 19th century and early 20th century.

  4. Union Mills Homestead Historic District - Wikipedia

    en.wikipedia.org/wiki/Union_Mills_Homestead...

    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

  5. Wills Creek Bollman Bridge - Wikipedia

    en.wikipedia.org/wiki/Wills_Creek_Bollman_Bridge

    Designed by the self-taught civil engineer Wendel Bollman in 1871, this truss bridge is the last remaining span of the Pittsburgh Division line associated with Bollman. Around 1931, it was moved from Wills Creek to a location 1.5 miles (2.4 km) north of Meyersdale, Pennsylvania, after it was no longer able to safely carry heavier modern ...

  6. Wendel Bollman - Wikipedia

    en.wikipedia.org/wiki/Wendel_Bollman

    Wendel Bollman. Wendel Bollman (January 21, 1814 – 1884) was an American self-taught civil engineer, best known for his iron railway bridges.Only one of his patented "Bollman truss" bridges survives, the Bollman Truss Railroad Bridge in Savage, Maryland.

  7. List of crossings of the Potomac River - Wikipedia

    en.wikipedia.org/wiki/List_of_crossings_of_the...

    Bollman Truss Bridge (abutments) [1] CSX: Harper's Ferry / Washington County Virginia / Maryland Sandy Hook Bridge: US 340: ... Bridge Route Location Coordinates

  8. Baltimore and Ohio Railroad - Wikipedia

    en.wikipedia.org/wiki/Baltimore_and_Ohio_Railroad

    [20] [21] The Thomas Viaduct at Relay, Maryland, was the longest bridge in the United States upon its completion in 1835. It also remains in use. The B&O made extensive use of the Bollman iron truss bridge design in the mid-19th century. Its durability and ease of assembly aided faster railroad construction.

  9. List of bridges on the National Register of Historic Places ...

    en.wikipedia.org/wiki/List_of_bridges_on_the...

    Location County Type ... Bollman Truss Bullfrog Road Bridge: 1908 ... Burr Arch Through Truss LeGore Bridge: 1898-1900 September 18, 1978: Woodsboro