LOUISVILLE, Ky. (WDRB) -- Sixth Street is closed just south of Broadway after a 30-inch brick sewer line collapsed Friday morning. 

MSD officials say the line, which is 8-feet deep, has been in service since the 1800s. Crews are making repairs, but there's no word yet on how long the road will remain closed. 

MSD says cave-ins caused by collapsed sewer lines happen about nine times a month. 

The company has been campaigning for a $4 billion update to Louisville's wastewater, drainage and flood protection system. The cost to repair the aging water mains and caved-in roads can costs tens of thousands of dollars.

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