The stretch is between Front and Beethoven and includes repaving the area, work on sewer and sanitary lines, and curbs.
The project will cost about $2.4 million.
It is slated to be finished in November.
Next year, the rest of Riverside Drive in the city will be reconstructed. However, a top coat will be put down on portions of that section this year as a temporary fix.
The city asks people to use caution when driving through the construction zone.
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