Brent Spence Bridge (Hamilton County, Ohio)
Built 1963Double-decker cantilevered through truss bridge over the Ohio River on I-71/I-75 at CincinnatiOpen to traffic
Clay's Ferry Bridge (Fayette County, Kentucky)
Built 1946 as part of US 25; twin span added 1963 as part
of I-75; both spans widened in 1998 to form a single six-lane bridgeDeck truss bridge over the Kentucky River on I-75/US 25/US 421 at Clay's Ferry south of Lexington in LexingtonOpen to six lanes of traffic
International Bridge (Chippewa County, Michigan)
Built 1963Through truss bridge over St. Mary River on I-75 at Sault Ste. MarieOpen to traffic
Mackinac Bridge (Emmet County, Michigan)
Built 1957Suspension bridge over the Straits of Mackinac on I-75 at Mackinaw CityOpen to traffic
Power Canal Bridge (Chippewa County, Michigan)
Built 1970; rehabilitated 1987Steel through arch bridge over Power Canal on Business I-75 in Sault Ste. MarieOpen to traffic
Power Canal Bridge (Chippewa County, Michigan)
Built 1934; rehabilitated 1998Pony truss bridge over Power Canal on Business I-75 in Sault Ste. MarieOpen to traffic