Summary
Work requires constructing a two-lane overpass including substructure, girder placement and superstructure, install bridge approach slabs, guardrail and guardrail transitions, bridge sign brackets and bridge signs, storm sewer pipe, catch basins, bridge railing, placing embankment and crushed surfacing base course, and paving with HMA. Overpass work at the existing Hiawatha Interchange (Bridge 90/214) includes installing a permanent debris catchment system and performing select deck repair. Work includes removal of the existing crossovers used for temp traffic control, restoring delineation and safety features and temp traffic control.