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Melan Arch Bridge, Emma Slater Park (Moved from Dry Run Creek), Rock Rapids, Lyon County, IA

Melan Arch Bridge, Emma Slater Park (Moved from Dry Run Creek), Rock Rapids, Lyon County, IA

 
 
description

Summary

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
National Register of Historic Places NRIS Number: 74000797

person

Contributors

Historic American Engineering Record, creator
von Emberger
place

Location

Rock Rapids (Iowa)43.42719, -96.17586
Google Map of 43.4271945, -96.17585980000001
create

Source

Library of Congress
copyright

Copyright info

No known restrictions on images made by the U.S. Government; images copied from other sources may be restricted. http://www.loc.gov/rr/print/res/114_habs.html

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