News Erosion at Minden condo site causes road closure SHARE ON: Smith Autumn, contributor, Sunday, Nov. 1st, 2015 A section of Newcastle Street in Minden is closed to all traffic. The Township has closed Newcastle from St. Germaine to Milne Streets due to severe erosion at the condo development site. The site is beside the County office building and is the location of a future condominium building. The work is being done by Greystone Construction. According to staff, Greystone has been contacted and are on scene to assess the situation.