IDOT Statewide Sign Truss & Towers Inspections

ABNA continued to provide Phase II engineering services for the planning,        organizing and detailed structural inspections of various types of sign trusses and bridge mounted structures. In addition, ABNA completed the inspection of over 75 High Mast Tower Lights in District 1. ABNA collected XYZ positioning of all Tower structure footing locations and also established an Arc GIS Database System to manage and categorize types of structures and condition ratings and prioritize repair schedules.