UP 255th Street Bridge

Through Plate Girder over 255th Street
Castle Rock, Dakota County, Minnesota

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Name UP 255th Street Bridge
Built By Chicago & North Western Railway
Contractor Unknown
Currently Owned By Union Pacific Railroad
Length 40 Feet Total
Width 1 Track
Height Above Ground 15 Feet (Estimated)
Superstructure Type Through Plate Girder
Substructure Type Concrete
Date Built 1994
Traffic Count 15 Trains/Day (Estimated)
Current Status In Use
Significance Minimal Significance
In 1864, the Minnesota Central Railway began construction of an 82 mile route between Owatonna, Minnesota and St. Paul, Minnesota.
The following year, the route was completed to Austin, Minnesota. By 1870, the route would be absorbed by the Milwaukee & St. Paul Railway.
The railroad became a part of the Chicago, Milwaukee & St. Paul Railroad. The Milwaukee Road operated a number of lines throughout Southern Minnesota. This route was the main route to Iowa from the Twin Cities.
In 1915, the railroad was reorganized as the Chicago, Milwaukee, St. Paul & Pacific Railway in 1928. This route stayed a secondary mainline until 1985, when the Milwaukee Road was merged with the Soo Line (Canadian Pacific).

Being a secondary route, the route was sold off in the late 1980s or early 1990s. In 1997, it became a part of I&M Rail Link, and later the Iowa, Chicago & Eastern Railroad in 2002. By 2008, the IC&E along with sister Dakota, Minnesota & Eastern became a part of Canadian Pacific Railway.
Currently, a portion of this line from Iowa to Owatonna is operated as CP, while CP owns the line from Owatonna to Faribault.
Progressive Rail leases the line between Eagan and Faribault. Union Pacific operates the route as its Albert Lea Subdivision between Rosemount and Comus. Between Eagan and Mendota, the railroad has been abandoned.

This is a newer bridge across 255th St, in rural Dakota county. This bridge replaced a trestle and girder bridge in 1994.
Using a standardized modern design, this bridge is built of steel and has a ballasted deck. It sits on concrete abutment.
Overall, the bridge appears to be in great condition.

The author has ranked this bridge as being minimally significant, due to the common design and modern age.

The photo above is looking at the east face.


Source Type


Build Date 2017 National Bridge Inventory
Railroad Line History Source ICC Valuation Information, Compiled by Richard S. Steele

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