Crews discovered that the Myrtle Avenue sewer was in terrible condition during another project. View Full Caption DNAinfo/Heather Cherone

NORWOOD PARK — The good news for residents fed up with construction along Oriole Avenue is that the project is almost complete.

The bad news is that crews working on that project discovered the sewer underneath Myrtle Avenue was in "critical" condition and needs to be replaced immediately, said Ald. Mary O'Connor (41st).

Weather permitting, the Oriole Avenue sewer replacement should be complete by Dec. 19, O'Connor said.

But construction crews are scheduled to break ground on the project to replace the crumbling Myrtle Avenue sewer Dec. 22 with a new sewer pipes that have a greater capacity in an effort to reduce flooding in heavy rain storms.

Traffic along Myrtle Avenue will be restricted for approximately a month, with access limited to residents of the street. Residents who are home-bound or have special transportation needs should contact the 41st Ward Office by email at ward41@cityofchicago.org or call 773-594-8341.

The sewer replacement project along west Talcott Avenue between Neva Avenue and Harlem Avenue, was completed Dec. 5, and the new mainline sewer on Neva should be completed this week, O'Connor said.

The next phase of the $7.6 million project will connect the new sewer to the sewer under Bryn Mawr Avenue, forcing Bryn Mawr to be closed at Neva. This phase of construction is expected to last through December, weather permitting, O'Connor said.

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