Bassett Creek Tunnel
Photo from MNDOT
License: Creative Commons Attribution-Share-Alike (CC BY-SA)
View this photo at dot.state.mn.us
BH Photo #489937
Most of this arch was built by the Chicago, St. Paul, Minneapolis & Omaha Railway as part of a large yard and freighthouse complex. Great Northern and Northern Pacific also operated various industrial trackage over the top. The rail yard was fully intact until the early 1970s, and portions remained until the 1980s. The road would not have been built until the 1990s.
I also am not sure about the 1915 date. MNDOT gives a date of Ca. 1890, which sounds appropriate. In addition, these two sources give 1890 as the date in which the arch was constructed:
However, the arch is actually part of a much larger tunnel system that once ran to 2nd Avenue and Fremont Avenue. Reportedly, the main portion of the tunnel may date to 1915: