[2] The railroad had originally constructed a wood-frame building for use as a depot in Ironwood,[3] but it quickly proved inadequate.

[5] The Chicago and Northwestern Railroad Depot in Ironwood is a red brick and sandstone structure[3] with a one-block long platform.

[2] The two buildings have vertically laid brown sandstone slabs on the bottom of the walls, rising to a height of about 5-1/2 feet.

The projecting eaves of the main hipped roof are supported by large curved wooden brackets.

Many of the interior details are original, including the wainscoting, window trim, baseboards, and ceiling molding.