Navigation Safety and Embankment Improvement project  

• an 862-foot-long guide wall extension that was completed in April 2011;

• a closure dike to mitigate outdraft conditions near the guide wall that was completed in October 2011; and

• channel dredging and the placement of approximately 150,000 cubic yards of material which was completed in February 2012. 

The lower embankment improvements included the construction of a series of engineered embankments and spillways totaling several thousand linear feet and associated control structures which were completed in November 2012.  The upper embankments improvements included the reconstruction of nine channel closures along the Wisconsin embankment.   Construction was completed in October 2011. Environmental mitigation to restore 313 acres of floodplain was completed in fall 2012.