Minnesota & International Railway

Reporting mark: M&I
Blue Ox Trail - Blackduck Trestle (Beltrami County, Minnesota)
Built 1902, Rebuilt 1951
Timber Stringer Bridge over Coburn Creek on Blue Ox Trail (Voyager Trail)
Severely damaged by fire in 2015, 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