In 2012 the City completed a comprehensive Vault Study, identifying all of the aged coal vaults that currently reside under the sidewalks in the Downtown. Twenty vaults were identified, inspected, measured, and their condition was rated from good to poor. A replacement schedule & cost estimate was developed, in order to allow the City to properly plan for the eventual filling of each vault, so that the sidewalk can be repaired in the Downtown.
Also in 2012, the City Filled three vault locations, and repaired the sidewalks in those areas. Several vaults will be filled by IDOT as part of an upcoming intersection improvement at IL-7 & IL-171. The remaining vaults were scheduled to be