6th Street South Viaduct

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The Pylons and Cables

The claim has been made that the north and south 6th St. Viaduct bridges are the first cable stayed bridges in Wisconsin.

Not so, at least, according to the Wisconsin DOT. Wis DOT says the first cable stayed bridge in the United States is a cable stayed pedestrian bridge in Menomonee Falls, Waukesha County, Wisconsin.

The pylons are 142' tall.

Photo taken by J.R. Manning in July 2008

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Facts

Overview: Cable-stayed bridge over Canadian Pacific RR on S 6th Street in Milwaukee
Location: Milwaukee, Milwaukee County, Wisconsin
Status: Open to traffic
History: Built 2002; Replaced, in part, the 1908 6th Street Viaduct
Builders: - Howard, Needles, Tammen & Bergendoff of Kansas City, Kansas
- Lunda Construction Co.
- Zenith Tech
Design: Cable-stayed
Dimensions: Length of largest span: 194.9 ft.
Total length: 581.1 ft.
Deck width: 58.1 ft.
Approximate latitude, longitude: +43.02790, -87.91810 (decimal degrees)
43°01'40" N, 87°55'05" W (degrees°minutes'seconds")
Approximate UTM coordinates: 16/425200/4764321 (zone/easting/northing)
Quadrangle map:: Milwaukee
Inventory number: BH 36810 (Bridgehunter.com ID)
Inspection (as of 10/2013): Deck condition rating: Good (7 out of 9)
Superstructure condition rating: Good (7 out of 9)
Substructure condition rating: Good (7 out of 9)
Sufficiency rating: 96.4 (out of 100)
Average daily traffic (as of 2012): 18,573

Update Log

November 19, 2014: New photos from Patrick S. O'Donnell
June 11, 2013: New photo from J.R. Manning
August 4, 2010: New Street View added by Jason Smith
September 8, 2008: New photos from J.R. Manning
July 6, 2008: Added by J.R. Manning

Sources

J.R. Manning - thekitchenguy [at] sbcglobal [dot] net
DYWIDAG-Systems International - Description of the bridges and the stay cables, presented by the manufacturer of the stay cables.
Lunda Construction Company - Description of the bridge project.
Jason Smith - flensburg [dot] bridgehunter [dot] av [at] googlemail [dot] com
Historicbridges.org - by Nathan Holth
Patrick S. O'Donnell - 1 [dot] 991km [at] comcast [dot] net