Keywords: i-69 i69 interstate 69 interstate69 indiana greene county greenecounty road bridge beams interstate freeway construction infrastructure milestone contractors milestonecontractors Underneath the bridge carrying the southbound lanes of Interstate 69 over State Road 54 in Greene County, Indiana; looking north. Milestone Contractors, prime contractor (Indiana I-69 Project, Section 4, Segments 4/5/6a). Underneath the bridge carrying the southbound lanes of Interstate 69 over State Road 54 in Greene County, Indiana; looking north. Milestone Contractors, prime contractor (Indiana I-69 Project, Section 4, Segments 4/5/6a). |