Elsah remained mainly a quiet village until the opening of the Great River Road ( Illinois Route 100 ) in 1964 . Elsah is a community whose homes are privately owned . In 1973 , the entire village was placed on the National Register of Historic Places . The Great Flood of 1993 caused significant damage to many of the village 's structures
Great Flood of 1993
Great Flood of 1993
Elsah, Illinois