Here's what it says on the INDOT's website about the closure:

Between RP 5.5 and RP 5.0. The road is closed. Until August 30, 2017 at about 11:59PM EDT.

Comment: SR 243 @ RP5.5 to RP5.0 will be closed for rehabing the bridges over I-70. West bound I-70 traffic will have to use SR 231 to CR 1000S to go South on SR243 and EB I-70 traffic will have to use it to go North.
Last updated last Tuesday at 9:05 AM EDT

http://www.in.gov/indot/2416.htm