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1858

Fink Through Truss Bridge
Society: ASCEMain Category: CivilSub Category: BridgesEra: 1850-1859DateCreated: 1858HamdenState: NJZip: 08801Country: USAWebsite: http://www.asce.org/Project/Fink-Through-Truss-Bridge/

"Fink's truss design was one of a number of early patented solutions to [the problem of how] to carry a massive, moving weight (a train) over long spans (to avoid the expense of building piers and obstructing waterways) on easily erected bridges (often in rough terrain) with good long-term economy..." 
 - Kent Farnow Smith, "America's Oldest Functioning Iron-Truss Bridge," 1978

YearAdded:
1979
Image Credit: Courtesy Library of CongressImage Caption: This bridge is an example of the Fink truss, the most efficient solution to building long-span bridges quickly and economically during its time.Era_date_from: 1858
Crozet's Blue Ridge Tunnel
Society: ASCEMain Category: CivilSub Category: Roads & Rails, Transportation, TunnelsEra: 1850-1859DateCreated: 1858Blue Ridge RailroadWaynesboroState: VAZip: 22980Country: USAWebsite: http://www.asce.org/People-and-Projects/Projects/Landmarks/Crozet-s-Blue-Ridge-Tunnel/Creator: Crozet, Claudius

One of four single-track tunnels built by the Blue Ridge Railroad, the 4,273-foot Crozet Tunnel was constructed at a time when hand drills, pickaxes, and black powder amounted to state-of-the-art tunneling technology. At the time of its completion, it was the longest railroad tunnel in the world. Envisioned and built by Claudius Crozet, a French-born educator and civil engineer, the tunnel remains a testament to his belief in advancing rail transportation even when faced with numerous difficulties. 

YearAdded:
1976
Image Credit: Public Domain (National Park Service)Image Caption: Crozet's Blue Ridge TunnelEra_date_from: 1858
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