File:Hayden Bridge, Spanning McKenzie River at Southern Pacific Railroad (moved from Springfield, Lake County, OR), Springfield, Lane County, OR HAER ORE,20-SPRIF,2- (sheet 2 of 4).tif

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HAER ORE,20-SPRIF,2- (sheet 2 of 4) - Hayden Bridge, Spanning McKenzie River at Southern Pacific Railroad (moved from Springfield, Lake County, OR), Springfield, Lane County, OR
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Bennett, transmitter
Title
HAER ORE,20-SPRIF,2- (sheet 2 of 4) - Hayden Bridge, Spanning McKenzie River at Southern Pacific Railroad (moved from Springfield, Lake County, OR), Springfield, Lane County, OR
Depicted place Oregon; Lane County; Springfield
Date Documentation compiled after 1968
Dimensions 34 x 44 in. (E size)
Current location
Library of Congress Prints and Photographs Division Washington, D.C. 20540 USA http://hdl.loc.gov/loc.pnp/pp.print
Accession number
HAER ORE,20-SPRIF,2- (sheet 2 of 4)
Credit line
This file comes from the Historic American Engineering Record (HAER). This is a program of the National Park Service established for the purpose of documenting historic places. Records consist of measured drawings, archival photographs, and written reports.

This tag does not indicate the copyright status of the attached work. A normal copyright tag is still required. See Commons:Licensing.

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Notes
  • Significance: The Hayden Bridge incorporates two features that were milestones in the history of wrought iron bridge building: the Whipple-Murphy truss and the Phoenix column. / The Hayden Bridge was fabricated by Clarke, Reeves & Company, Phoenixville Bridge Works of Phoenixville, Pennsylvania in 1882. It was originally erected across the Bear River at Corrine, Utah by the Central Pacific Railroad, on the line that was part of the first Transcontinental Railroad. The bridge was dismantled and reassembled across the McKenzie River near Springfield, Oregon in 1901, as part of a logging spur line owned by the Southern Pacific Railroad. The 224 feet long wrought-iron span includes hollow "Phoenix Columns," an innovative fabrication design of the wrought-iron period of American bridge building. This feature was a staple of the Phoenixville Bridge Works. The span is a Double-Intersection Pratt Truss, also called a Whipple-Murphy Truss. In 1847, Squire Whipple patented his design for a Pratt Truss made of iron, with diagonal web members crossing two panel points. The Hayden Bridge is made of wrought-iron, except for the connections and ornamentation, which are cast-iron. Ornamental medallions are placed at the crossing of the diagonal portal bracings. Railroad brake-wheel designs decorate the corner portal brackets. A cast-iron nameplate atop the portal gives the full name of the Phoenixville Works.
  • Unprocessed Field note material exists for this structure: FN-6
  • Survey number: HAER OR-19
  • Building/structure dates: 1882 Initial Construction
  • Building/structure dates: 1901 Subsequent Work
  • Building/structure dates: 1987 Subsequent Work
Source https://www.loc.gov/pictures/item/or0289.sheet.00002a
Permission
(Reusing this file)
Public domain This image or media file contains material based on a work of a National Park Service employee, created as part of that person's official duties. As a work of the U.S. federal government, such work is in the public domain in the United States. See the NPS website and NPS copyright policy for more information.
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Object location44° 02′ 47″ N, 123° 01′ 14.99″ W Kartographer map based on OpenStreetMap.View this and other nearby images on: OpenStreetMapinfo

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