Illinois Administrative Code
Title 92 - TRANSPORTATION
Part 540 - CONSTRUCTION OF PEDESTRIAN OVERPASS STRUCTURES ON PARTIALLY ACCESS-CONTROLLED EXPRESSWAYS AND OTHER STATE HIGHWAYS
Section 540.80 - Design of Overpass Structures
Universal Citation: 92 IL Admin Code ยง 540.80
Current through Register Vol. 48, No. 12, March 22, 2024
All overpass structures will be designed for a vertical clearance, over the pavement of 17' - 3". Horizontal clearances from the edge of roadway to piers or abutments will comply with current design geometric standards for structures as contained in Section 4-005 and 4-010 of the Design Manual. All overpass structures will be designed with protective fencing to prevent objects from accidentally being dropped on the traffic below.
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