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Viaducto del Malleco
Society: ASCEMain Category: CivilSub Category: BridgesEra: 1890-1899DateCreated: 1890Malleco RiverAraucaníState: MallecoCountry: ChileWebsite: http://www.asce.org/Project/Viaducto-del-Malleco/Creator: Lastarria, Jose Victorino

The bridge is 408 meters long and weighed approximately 1,500 metric tons when built. Originally supported by four columns, two more were added in later years to support the weight of heavier rail cars.

YearAdded:
1994
Image Credit: Courtesy Flickr/Rafael Retamal (CC BY-SA 2.0)Image Caption: Viaducto del MallecoEra_date_from: 1890
Pioneer Zephyr
Society: ASMEMain Category: MechanicalSub Category: Rail TransportationEra: 1930-1939DateCreated: 1934 Museum of Science and IndustryChicagoState: ILCountry: USAWebsite: http://www.asme.org/about-asme/history/landmarks/topics-m-z/rail-transportation---1/-58-pioneer-zephyr-%281934%29, https://www.asme.org/getmedia/ce78f690-8505-4687-9a2a-0b39b5876006/58-Pioneer-Zephyr-1934.aspxCreator: Budd Company

In the late 1920s, the automobile cut railroad passenger service by more than half. The debut of the Pioneer Zephyr heralded a comeback in 1934, touring the country and being seen by some two million people in 222 cities.

YearAdded:
1980
Image Credit: Courtesy Flickr/Steve Wilson (CC BY 2.0)Image Caption: Pioneer ZephyrEra_date_from: 1934
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
Cumbres and Toltec Scenic Railway
Society: ASCEMain Category: CivilSub Category: Roads & RailsEra: 1880-1889DateCreated: 1880Cumbres PassAntonitoState: COZip: 81120Country: USAWebsite: http://www.asce.org/Project/Cumbres-and-Toltec-Scenic-Railway/Creator: Denver and Rio Grande Western Railroad, Baldwin Locomotive Works

Winding over 64 miles through the majestic San Juan mountains, the narrow-gauge railway known today as the Cumbres and Toltec Scenic Railroad was built as a branch of the extensive Denver and Rio Grande Western Railroad that ran through western Colorado and most of Utah. It originally served the large number of settlers flocking to the gold and silver mines of the region.

YearAdded:
1976
Image Credit: Courtesy Flickr/Larry Lamsa (CC BY 2.0)Image Caption: Cumbres and Toltec Scenic RailwayEra_date_from: 1880
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