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C&NW Bridge #643

Through Plate Girder Bridge over Unnamed Ditch
Medary, La Crosse County, Wisconsin

Click the Photo Above to See All Photos of This Bridge!
Name C&NW Bridge #643
Built By Chicago & North Western Railway
Contractor American Bridge Company of New York
Currently Owned By Wisconsin DNR
Length 40 Feet Total
Width 1 Track
Height Above Ground 5 Feet (Estimated)
Superstructure Type Through Plate Girder
Substructure Type Concrete
Date Built 1910
Traffic Count 0 Trains/Day (Bridge is a Trail)
Current Status Rails to Trails
C&NW Bridge Number 643
Significance Local Significance
Documentation Date November 2020


Located in a remote area east of Medary Junction, this small through girder bridge is one of a dozen similar structures along this stretch of the La Crosse River State Trail. This particular span crosses an unnamed ditch, part of a larger wetlands.
Built in 1910, the bridge consists of a standard through plate girder span, set onto concrete substructures. It appears almost all trestles in the area were upgraded in 1909-1910. At 40 feet in length, this span follows an identical design to the other spans in this area.
This style of bridge was used heavily by almost every railroad in America, due to the ease of construction, lack of maintenance and easily obtainable materials. Often, a bridge like this could replace a trestle in only a couple days, with minimal service interruption.
The area between Medary Junction and Interstate 90 goes through a large wetlands area, crossing several small streams, swamps and ditches. The area is very scenic, and the trail is extremely popular in this area.
Overall, the bridge appears to be in fair to good condition, with little serious deterioration noted. In addition to this bridge, the Canadian Pacific line that runs parallel also crosses this ditch.

The author has ranked the bridge as being locally significant, due to the common design and abundance of similar bridges nearby.
The photo above is looking east along the bridge.

Citations

Source Type

Source

Build Date Plaque
Railroad Line History Source ICC Valuation Information, Compiled by Richard S. Steele