Milwaukee Road) in 1908, during its Pacific Extension from Mobridge, South Dakota to Tacoma, Washington from 1906 to 1909.

The depot is a rectangular one-story wood-frame building constructed in the Craftsman style.

When the Milwaukee Road built its transcontinental line, it placed a division point at Alberton.

When the railroad went bankrupt in the 1980s, the depot was sold to the Town of Alberton and is now used as a community center.

[2] The depot was listed in the National Register because of its architecture and association with The Milwaukee Road and the development of railroads in Montana.