Understanding 到 and 去 in the sentence: 今天你把这袋粮食送到河对岸的村子里去吧
"今天你把这袋粮食送到河对岸的村子里去吧."


送 is the main verb and 到 is a result complement in this case. 到 might be understood as to in English. I.e. 送到家里: take it to home(inside).

去 here is an indicator of the direction of moving/going, as in 上去，下去，到外面去，里面去， etc. So, 村子里去 denotes going the direction of inside of village.