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The US 421 Milton-Madison Bridge over the Ohio River remains open to traffic with a 15-ton weight limit and 36 foot length restriction. It is one of only two bridges over the Ohio River between Louisville, Ky., and Cincinnati, Ohio. The bridge is scheduled for a brief closure in late summer 2013. During the brief bridge closure, the nearest crossing will be 26 miles upstream at the Markland Locks and Dam Bridge. The Kennedy Bridge in Louisville is 46 miles downstream. Vehicles that do not meet the weight and length restrictions must also use the detour.
Click the detour signs on the image below to view a more detailed map.
Madison to Louisville I-65 bridge
Madison to Milton via Markland Dam