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Poughkeepsie-Highland Bridge
Society: ASCEMain Category: CivilSub Category: BridgesEra: 1880-1889DateCreated: 1888Hudson RiverPoughkeepsieState: NYZip: 12528Country: USAWebsite: http://www.asce.org/People-and-Projects/Projects/Landmarks/Poughkeepsie-Highland-Bridge/, http://www.asce.org/Project/Poughkeepsie-Highland-Bridge/Creator: Clarke, Thomas , Macdonald, Charles

A bridge across the Hudson at or near Poughkeepsie was planned starting in the early 1870s to primarily carry coal from the coalfields of northeastern Pennsylvania to New England. At the time there were no bridges between Albany and New York Harbor. Horatio Allen, soon to be President of the ASCE, was its first Chief Engineer. He designed a multiple span suspension bridge. Later the American Bridge Company started construction on a five span bridge but went bankrupt before it completed the first pier foundations.

YearAdded:
2009
Image Credit: Courtesy Flickr/bobistraveling (CC BY 2.0)Image Caption: Poughkeepsie-Highland BridgeEra_date_from: 1888
Northern Pacific High Line Bridge No 64
Society: ASCEMain Category: CivilSub Category: BridgesEra: 1900-1909DateCreated: 1908Sheyenne RiverValley CityState: NDZip: 58072Country: USAWebsite: http://www.asce.org/project/northern-pacific-high-line-bridge-no--64/

The Northern Pacific High Line Bridge No. 64, built between 1907 and 1908, has continued to perform yeoman service in the uninterrupted flow of the Nation's commerce. Nearly, 100 years after this bridge officially opened, it still carries 125-ton car unit coal trains, double stack container trains, lumber, and refined products at train speeds of 50 m.p.h.

YearAdded:
2004
Image Credit: Original Photo: Public Domain; Produced prior to 1/1/1923Image Caption: Northern Pacific High Line Bridge No 64Era_date_from: 1908
Monongahela Incline
Society: ASMEMain Category: MechanicalSub Category: Rail TransportationEra: 1870-1879DateCreated: 1870near Station Square MallPittsburghState: PACountry: USAWebsite: https://www.asme.org/about-asme/who-we-are/engineering-history/landmarks/26-monongahela-inclineCreator: Endres, John , Diescher, Samuel

As a practical conveyance during the horse-and-buggy era, the Monongahela Incline was one of seventeen built and operated in Pittsburgh in the last century. Of the seventeen, the Monongahela and the Duquesne are the only two remaining operating units. While the Mt. Washington Incline was known as a coal-carrying incline plane in 1854, the Monongahela Incline is probably the earliest passenger-carrying incline in the United States and has been in continuous successful service since its construction.

YearAdded:
1977
Image Credit: Courtesy Flickr/Jason Rosenberg (CC BY 2.0)Image Caption: Monongahela InclineEra_date_from: 1870
Kinzua Railway Viaduct
Society: ASCEMain Category: CivilSub Category: BridgesEra: 1880-1889DateCreated: 1882Kinzua CreekMcKean CountyState: PAZip: 16735Country: USAWebsite: http://www.asce.org/Project/Kinzua-Railway-Viaduct/Creator: Chanute, Octave , Phoenix Iron Works

The workforce consisted of less than 100 men, yet they finished construction in just 94 days. Such speed was possible due to the elimination of scaffolding. Instead, iron rods were used to support construction of the trusses between the towers, and workers moved back and forth across the rods. A dangerous venture, yet no workers were seriously injured.

YearAdded:
1982
Image Credit: Courtesy Flickr/Peter Pawlowski (CC BY 2.0)Image Caption: Kinzua Railway ViaductEra_date_from: 1882
John Penn & Sons Oscillating Steam Engine
Society: ASMEMain Category: MechanicalSub Category: Water TransportationEra: 1840-1849DateCreated: 1841Aboard the paddle steamer DiesbarDresdenState: SaxonyZip: 01069Country: GermanyWebsite: http://www.asme.org/about-asme/history/landmarks/topics-m-z/water-transportation/-245-john-penn---sons-oscillating-steam-engine-%2818Creator: John Penn & Sons

The oscillating steam engine, built by John Penn & Sons, is located aboard the famed paddle steamer Diesbar.  Diesbar is the second oldest of a fleet of nine paddle steamers in Dresden.  What makes the Diesbar unique is its coal fueled engine and single deck design.  The John Penn and Sons engine that runs the steamer is the oldest operational marine steam engine in the world.  It has been in operation for over 165 years. 

YearAdded:
2008
Image Credit: Photo: Sächsische DampfschiffahrtImage Caption: John Penn & Sons Oscillating Steam EngineEra_date_from: 1841
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