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Historic American Buildings Survey/Historic American Engineering Record/Historic American Landscapes Survey
 2 drawings |  5 b&w photos |  18 data pages |  1 photo caption pages |
How to obtain copies of this item
TITLE:
Melan Arch Bridge, Emma Slater Park (Moved from Dry Run Creek), Rock Rapids vicinity, Lyon County, IA
CALL NUMBER:
HAER IOWA,60-ROCRA.V,1-
REPRODUCTION NUMBER:
[See Call Number]
MEDIUM:
Measured Drawing(s): 2 (24 x 36 in.)
Photo(s): 5 (4 x 5 in.)
Data Page(s): 17 plus cover page
Photo Caption Page(s): 1
DATE:
Documentation compiled after 1968.
CREATOR:
Historic American Engineering Record, creator
RELATED NAME(S):
von Emberger
NOTE:
Survey number HAER IA-15
Unprocessed field note material exists for this structure (N214).
Building/structure dates: 1893 initial construction
National Register of Historic Places NRIS Number: 74000797
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.
SUBJECTS:
IOWA--Lyon County--Rock Rapids vicinity
COLLECTION:
Historic American Engineering Record (Library of Congress)
REPOSITORY:
Library of Congress, Prints and Photograph Division, Washington, D.C. 20540 USA
DIGID:
http://hdl.loc.gov/loc.pnp/hhh.ia0072
CONTENTS:
Photograph caption(s):
1. ELEVATION FROM SOUTH
2. BARREL VIEW FROM WEST
3. 3/4 VIEW FROM SOUTHWEST
4. DETAIL OF SOUTHWEST CORNER, FROM SOUTHEAST
5. DETAIL OF BUILDERS PLATE, FROM NORTH
CONTROL #:
IA0072
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