The Omaha Road was primarily purchased by the Chicago & Northwestern Railway in 1882, although the Omaha name stuck and independent operations ensued until 1957.
Due to the heavy traffic this line was projected to see, the line was significantly rebuilt between Shakopee and Mankato between 1890 and 1910, including revised slopes and grades, new bridges and new rails.
Mankato was a significant stop for the railroad, as the Minnesota Valley was the most important feature in central Minnesota. At Mankato, the line would interchange with other railroads that connected to other stops.
The railroad also went through major industrial hubs, such as Le Sueur, Shakopee and Savage.
The C&NW continued to operate this as a mainline until 1995, when they were purchased by Union Pacific Railroad.
Union Pacific still operates this as a mainline called the Mankato Subdivision. It sees significant traffic heading between Sioux City and Chicago, bypassing the more congested lines through Iowa.
This large stone arch is hard to access. Its very large, and there are steep grades going down to it.
I accessed it by permission from a local landowner.
The bridge itself is in good condition, although scouring is a problem on the south wall.
The photo above is an overview.