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File:DETAIL OF BUILDERS PLATE, FROM NORTH - Melan Arch Bridge, Emma Slater Park (Moved from Dry Run Creek), Rock Rapids, Lyon County, IA HAER IOWA,60-ROCRA.V,1-5.tif

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DETAIL OF BUILDERS PLATE, FROM NORTH - Melan Arch Bridge, Emma Slater Park (Moved from Dry Run Creek), Rock Rapids, Lyon County, IA
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Related names:

von Emberger
Title
DETAIL OF BUILDERS PLATE, FROM NORTH - Melan Arch Bridge, Emma Slater Park (Moved from Dry Run Creek), Rock Rapids, Lyon County, IA
Depicted place Iowa; Lyon County; Rock Rapids
Date Documentation compiled after 1968
Dimensions 4 x 5 in.
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 IOWA,60-ROCRA.V,1-5
Credit line
This file comes from the Historic American Buildings Survey (HABS), Historic American Engineering Record (HAER) or Historic American Landscapes Survey (HALS). These are programs of the National Park Service established for the purpose of documenting historic places. Records consist of measured drawings, archival photographs, and written reports.

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Notes
  • Significance: One of the first reinforced concrete bridges built in the United States, it is located in Lyon County, 4-1/2 miles southeast of Rock Rapids, Iowa. It was built in 1893 by Frederick Von Emberger, famous Austrian designer, who was at that time the official representative of Joseph Melan, Vienese engineer. Melan was granted an American patent for his method of bridge reinforcement using concrete. The span is thirty feet. The rise of the arch is three feet and the roadway sixteen feet. The thickness of the arch at the crown is six inches. The reinforcing is of the style known as the Melan System and, in this case, consists of five 4" I-beams. The side walls are faced with Sioux Falls jasper. The hand rail is of gas pipe. The cement used was imported from Germany and cost $3.25 per barrel. The mixture of one part cement to two parts sand to four part broken jasper. The bridge cost $830.00.
  • Unprocessed Field note material exists for this structure: N214
  • Survey number: HAER IA-15
  • Building/structure dates: 1893 Initial Construction
References

This is an image of a place or building that is listed on the National Register of Historic Places in the United States of America. Its reference number is 74000797.
Source https://www.loc.gov/pictures/item/ia0072.photos.068243p
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.
Object location43° 25′ 37.99″ N, 96° 10′ 32.02″ W Kartographer map based on OpenStreetMap.View this and other nearby images on: OpenStreetMapinfo

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current08:22, 13 July 2014Thumbnail for version as of 08:22, 13 July 20145,000 × 4,020 (19.17 MB)Fæ (talk | contribs)GWToolset: Creating mediafile for Fæ. HABS 11 July 2014 (1001:1200)

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