DN Pembina River Bridge


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Name DN Pembina River Bridge
Great Northern Railway Bridge #47.2
Built By Great Northern Railway
Currently Owned By Dakota Northern Railroad
Superstructure Contractor Unknown
Length 253 Feet Total, 85 Foot Main Span
Width 1 Track
Height Above Ground 15 Feet (Estimated)
Superstructure Design Deck Plate Girder and Timber Pile Trestle
Substructure Design Timber Pile and Steel Pile
Date Built 1914
Traffic Count 1 Train/Day (Estimated)
Current Status In Use
Great Northern Railway Bridge Number 47.2
Significance Local Significance
Documentation Date 8/10/2020

In 1890, the The Saint Paul, Minneapolis and Manitoba Railway Company (StPM&M) constructed a 32 mile branch line extending from an existing line at Grafton, North Dakota to Cavalier, North Dakota.  The line would be extended an additional 16 miles to Walhalla, North Dakota in 1897.  The StPM&M was controlled by James J. Hill, a railroad tycoon who wished to build a railroad network extending from Minnesota to the Pacific Coast.  Throughout the 1880s and 1890s, the StPM&M acquired and constructed numerous new railroad lines throughout North Dakota, including numerous parallel lines to connect wheat crops in northern North Dakota to the mills at Minneapolis, Minnesota.  In 1907, the StPM&M would be sold to another Hill company, the Great Northern Railway (GN).  An additional 5 mile extension to the Canadian Border would be constructed in 1907, and an unaffiliated company would construct a line to Morden, Manitoba the same year. The GN utilized this route as a branch line, serving grain elevators in the small communities it passed through.  The International connection would be removed in 1936, and the line cut back to Walhalla.  In 1970, GN merged with rival Northern Pacific Railway and Chicago, Burlington & Quincy Railroad to form Burlington Northern Railroad (BN).   In 1996, the BN merged with Atchison, Topeka & Santa Fe Railway in 1996, to form BNSF Railway. BNSF leased the line segment to Dakota Northern Railroad in 2006.  DN continues to operate this route as the Walhalla Subdivision. 


Located near Walhalla, this deck plate girder bridge crosses the Pembina River. Built in 1914 to replace an older wooden Howe truss, the bridge consists of a single 85-foot deck plate girder span, set onto timber pile and steel pile piers. The bridge is approached by timber trestle spans on either end. This design of bridge was commonly used by railroads throughout the United States, as it was durable and easy to construct. Because this was a branch line, it would be surprising if this span was constructed new at this location. Often, railroads would reuse spans from mainlines on branch lines, as it was an economical way to replace older bridges. Overall, the bridge appears to be in fair to good condition, with no significant deterioration noted. Some of the original timber substructures have been replaced with steel pile structures. The author has ranked this bridge as being locally significant, due to the common design.


Citations

Build Date Great Northern AFE Index; Courtesy of GNRHS Archives
Railroad History Citation ICC Valuation Information, Compiled by Richard S. Steele

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