The engineer shall assess, as hereinafter directed and according to the rules hereinafter prescribed, the amount of benefits which will accrue to each tract or parcel of land and corporate property above named, by virtue of the works and improvements of the drainage district. Each tract or parcel of land, right-of-way, railroad bed, bridge, culvert and depot within the district shall bear its share of the entire cost and expenses incurred by the district in making such works and improvements in proportion to the benefits assessed, whether such improvements be made on the tract or parcel of land, right-of-way, or railroad bed, or not.