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State investigates causes behind sagging bridge

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A photo of a dip in the east side of the Leo Frigo Bridge in Green Bay, Sept. 25, 2013. (Photo by: FOX 11).
A photo of a dip in the east side of the Leo Frigo Bridge in Green Bay, Sept. 25, 2013. (Photo by: FOX 11).

GREEN BAY (WSAU-Wheeler News)   State engineers are just starting to find out why a concrete support pier sank two-feet, causing a dip in the pavement on the high-rise Leo Frigo bridge in Green Bay.  Kim Rudat of the D-O-T said the sagging on the Interstate-43 bridge apparently developed over a few hours on Wednesday morning. 

The pier settled unevenly, as one side dropped by 22 inches and the other by 27 inches. 

D-O-T structures design chief Bill Dreher said the dip stretches across the width of the four-lane bridge, but does not appear to be affecting other areas. 

Meanwhile, engineers are measuring the pier every few hours to make sure it's not dropping any more.  Once it's stable, Dreher says crews will dig into the piers and see what's happening. 

Officials say the bridge will be closed for months, and possibly a year until everything can be fixed.  It's not part of the normal path for fans going to Packer games.  Travels going north on I-43 to northern Wisconsin are urged to take the Highway 172 freeway just south of Green Bay, before heading north on Highways 41 and 141. 

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