(PORT HURON) -- I-94/I-69 near the Blue Water Bridge in Port Huron is open to traffic once again. The $90 million investment included widening 2.2 miles of the freeway in each direction between Lapeer Road and Pine Grove Avenue and replacing the aging bridges over the Black River. Work originally began in March 2011. The Black River Bridge has been replaced with three separate structures. Two of the new bridges were constructed on eastbound I-94/I-69 separating local and international traffic. The westbound structure serves both local and Blue Water Bridge traffic merging onto the freeway. A new 14-foot-wide nonmotorized path has been added across the Black River as well. Work on the new structures over the Black River was funded by a $30 million federal Transportation Investments Generating Economic Recovery grant. Other work on this project included interchange improvements, overpass replacement, 2 miles of new pavement, and updated freeway lighting.