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The new single arch Savanna/ Sabula bridge was constructed next to the old bridge over the Mississippi River.

The overflow bridge over the backwaters of the Mississippi River on the north edge of Sabula, Iowa, has been closed, according to a news release from the Iowa Department of Transportation.

As a result, bridge traffic between Savanna, Ill., and Sabula is being rerouted to Fulton, Ill./Clinton, Iowa and Dubuque, Iowa/East Dubuque, Ill.  

The causeway bridge was in the process of being replaced when inspectors found an issue during construction. The replacement schedule is being accelerated, but the bridge will remain closed until a replacement is in place.

The new bridge is expected to be completed in late May, weather permitting.

During the closure, traffic will be detoured using U.S. 67 to Iowa 136 to Illinois 84.

A new bridge across the Mississippi River between Sabula and Savanna opened in Oct. 2017.

Quad-City Times​