WINONA, Minn. – The bottom of the street fell out – a sink hole – at Winona’s Family Restaurant on West Service Drive. The actual hole is in the 500 block of Orrin Street. The hole been barricaded off until the restaurant can arrange a contractor for repairs. Mike Biggerstaff, city street superintendent, said a water main broke and sucked the blacktop about two feet deep. These kinds of sinkholes occur two or three times a year, he said.