Help identifying spider found in central Indiana US
This looks like a black lace-weaver, or Amaurobius ferox. Based on the size you described it seems as though this one is an adult female. These spiders avoid bright spaces and if they feel cornered they might bite you.

For pictures of it you can look here https://www.arkive.org/black-lace-weaver/amaurobius-ferox/ and for more information you can look here https://en.wikipedia.org/wiki/Amaurobius_ferox