Historic Bridges of the U.S. | Wisconsin & Michigan Railroad Bridge

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Photos

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View Of Northwest Elevation

Photo taken by Dietrich Floeter, March 1989, for HAER

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View Of Southeast Elevation

Photo taken by Dietrich Floeter, March 1989, for HAER

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View Of Northeast Elevation

Photo taken by Dietrich Floeter, March 1989, for HAER

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View Of Southwest Elevation

Photo taken by Dietrich Floeter, March 1989, for HAER

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View Of West Side Of Long Truss

Photo taken by Dietrich Floeter, March 1989, for HAER

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View Of West Side Of Short Truss

Photo taken by Dietrich Floeter, March 1989, for HAER

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View Of North Approach

Photo taken by Dietrich Floeter, March 1989, for HAER

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View Of South Approach

Photo taken by Dietrich Floeter, March 1989, for HAER

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View Of North End Of Long Truss

Photo taken by Dietrich Floeter, March 1989, for HAER

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View Of South End Of Short Truss

Photo taken by Dietrich Floeter, March 1989, for HAER

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View Of Traffic Bed

Photo taken by Dietrich Floeter, March 1989, for HAER

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View Of South Abutment

Photo taken by Dietrich Floeter, March 1989, for HAER

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View Of South Abutment And Shoe Connection

Photo taken by Dietrich Floeter, March 1989, for HAER

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View Of West Side, Underside And Pier

Photo taken by Dietrich Floeter, March 1989, for HAER

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View Of Underside, West End

Photo taken by Dietrich Floeter, March 1989, for HAER

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View Showing North Side Of Pier

Photo taken by Dietrich Floeter, March 1989, for HAER

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View Showing Northwest Side Of Pier

Photo taken by Dietrich Floeter, March 1989, for HAER

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View Showing Northwest Side Of Pier

Photo taken by Dietrich Floeter, March 1989, for HAER

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Detail View Of Top Chord And Inclined End Post Connection Of Short Truss, Outside

Photo taken by Dietrich Floeter, March 1989, for HAER

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Detail View Of Top Chord And Inclined End Post Connection Of Long Truss

Photo taken by Dietrich Floeter, March 1989, for HAER

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Detail View Of Top Chord And Post Connection On Short Truss

Photo taken by Dietrich Floeter, March 1989, for HAER

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Detail View Of Top Chord And Inclined End Post Connection On Short Truss, Inside

Photo taken by Dietrich Floeter, March 1989, for HAER

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Detail View Of Bottom Chord And Lower Lateral Connection

Photo taken by Dietrich Floeter, March 1989, for HAER

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Detail View Of Bottom Chord And Lower Lateral Connection

Photo taken by Dietrich Floeter, March 1989, for HAER

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Map

Vicinity Map

Vicinity map

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Facts

Overview: Lost Pratt through truss bridge over Menomonie River on Marinette CTH JJ - Menomonee CTH S-4 (Shakey Lakes Road) in Town of Wagner
Status: Replaced by new bridge
History: Built 1894 by Wisc & Mich Railroad; converted to road use 1938; Replaced 1991
Design: Two-span Pratt through truss with pin connections. One span is 7 panels, 388' in length. The short span is 5 panels, 162' in length.

"The Wisconsin & Michigan Railroad Bridge is an example of a pin-connected Pratt through truss, a standard design used during the late 19th century. The bridge is unusual, in that it consists of two unequal spans, one measuring 162 feet and the other 221 feet. The long span may be one of the longest Pratt through trusses in Wisconsin and Michigan. In addition, the bridge is one of only a few extant trusses built before 1900. The history of the railroad bridge documents the development and decline of the logging industry in northern Wisconsin and Michigan."

--Diane Kromm, November 1989
Dimensions: Length of largest span: 221 ft.
Total length: 388 ft.
Deck width: 10.3 ft.
Vertical clearance above deck: 18.4 ft.
Also called: Koss Bridge
Approximate latitude, longitude: +45.38690, -87.70160 (decimal degrees)
45°23'13" N, 87°42'06" W (degrees°minutes'seconds")
Approximate UTM coordinates: 16/445076/5026170 (zone/easting/northing)
USGS topographic map: Swanson
Inventory number: BH 37097 (Bridgehunter.com ID)

Update Log

August 6, 2008: Added by J.R. Manning

Sources

J.R. Manning - thekitchenguy [at] sbcglobal [dot] net
HAER WI-60 - Wisconsin-Michigan Railroad Bridge, Spanning Menominee River, on County Trunk Highway "JJ", Wagner, Marinette County, WI

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