In 1875, the Government of Canada set aside Townships 18, 19, 20, 21, 22 and 23 from the shore of Lake Winnipeg to the beginning of Range 2E for Icelandic settlement.

[3] Thirty years later, on December 1, 1907, the Rural Municipality of Bifrost was incorporated out of the northern part of the RM of Gimli.

[3] Bifrost took its name from Norse mythology, where Bifröst is the rainbow bridge that connects Midgard (Earth) and Asgard, the home of the gods.

[3][6] With the railway came another influx of population growth, resulting in the separation of the two large urban areas.

[7] On January 1, 2015, the RM of Bifrost and the Village of Riverton amalgamated to form the Municipality of Bifrost-Riverton.