Welcome

The Milton-Madison Bridge Project is a unique effort to replace the deteriorating US 421 Ohio River bridge between Milton, Ky., and Madison, Ind.  The bridge is open to traffic.

Through the use of innovative design and construction methods, the bridge will stay open for all but 10 days during construction. Using a method called “truss sliding,” a new 2,426-foot-long truss bridge will “slide” into place atop the existing piers, which are being rehabilitated.  Following record-breaking 2011 rainfall and numerous flooding events, the new bridge is expected to open to traffic in 2013.

Bridge Reopens

The Milton-Madison Bridge reopened ahead of schedule at 11:59 p.m., Saturday, April 28, following the demolition of approach spans and the connection of temporary ramps. The use of temporary ramps is one in a series of steps being taken to keep the bridge open to traffic during construction. 

A 36-foot vehicle length restriction is now in effect for the bridge due to the limited turn radius of the temporary ramps.  The existing 3-ton weight limit for the bridge remains in place.

Live Web Cams

With two live Web cameras, traffic alerts and frequently updated project news MiltonMadisonBridge.com is the best place to follow construction progress. The construction photo gallery offers a close-up perspective on the project. Click on the “Contact” tab to ask questions or make comments about the project. We always respond promptly.

The Lift

Now that traffic has been diverted to the temorary ramps, the project team turns its attention to the first “span lift” scheduled for  June. During the lift, a 600-foot section of the new steel truss bridge will be lifted onto temporary piers using special hydraulic jacks. The truss bridge section is roughly the length of one and a half football fields and weighs approximately 1,600 tons.  A similar span-lifting method was used during the widening of Louisiana’s Huey P. Long Bridge.

Approach Demolition

As part of the recent brief bridge closure, a 150-foot section of the Madison approach to bridge was demolished on April 25 using controlled explosives.  (Watch the video) Once the section was removed, workers connected the temporary ramps to the existing bridge. Here’s another angle.