I-20-4722- Bridge Construction

The scope of work in this contract includes, but is not limited to: construction of the Bridge carrying Ramp Q1 (Westbound ramp from O'Hare to Illinois Route 390) over Ramps 04 (Westbound ramp from Northbound I-490 to Supreme Drive) and Ramps P1/O8 (Westbound ramp from Southbound I-490 to Westbound Illinois Route 390 and Supreme Drive); construction of retaining wall EO16.8R, WB(R); earthwork and grading for Ramp Q1; construction of storm sewer; erosion and sediment control; traffic control and protection; all other appurtenant and miscellaneous and associated work