Minnesota & International Railway

Reporting mark: M&I
Blue Ox Trail - Blackduck Trestle (Beltrami County, Minnesota)
Built 1902
Timber Stringer Bridge over Coburn Creek on Blue Ox Trail (Voyager Trail)
Severly damaged by fire, closed to traffic

Fort Frances-International Falls International Bridge (Koochiching County, Minnesota)
Built 1912; Northbound Couplet constructed in 1980
Parker through truss bridge over Rainy River on Us 53 Sb
Open to traffic