The Dresden Island Lock and Dam is a 23.4-acre (9.5 ha) Lock and Dam complex on the Illinois River in Morris, Illinois. The dam was completed in 1933 and designed by engineer Walter Mickle Smith. It was listed on the National Register of Historic Places in 2004. The listing included one contributing building and three contributing structures. The state of Illinois began constructing the dam in 1928. In 1930, the state had completed 35% of the dam but lacked the money to complete it, so the federal government built the remainder of the dam.