I-74 in Dearborn County for guardrail repair July 18, 2019 Annie Nunley St. Leon, IN—The left lane of I-74 EB will close at approximately 9 a.m. this morning for median guardrail repair between MM 167 and MM 168 in Dearborn County. Repairs are expected to be completed by 11:30 a.m. Please use caution in the area.