When any turnpike, or portion thereof, shall have been condemned, under the provisions of this act, for public use, free of tolls or toll gates, and the assessment of damages therefor shall have been paid by the proper county, such turnpike, or portion thereof, shall be properly repaired and maintained at the expense of the proper city, township or district, as other public roads or streets therein are by law repaired and maintained.
36 P.S. § 2381