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Webster Street Bridge Replacement ESA

Dayton, Ohio

EMH&T was selected by the City of Dayton to provide a design for the replacement of the historic, yet functionally obsolete Webster Street Bridge over the Mad River. EMH&T provided the full suite of environmental services for the demolition and replacement of this historic bridge, including the preparation of a Categorical Exclusion (NEPA) Level 3 document, Level 1 Ecological Survey Report, Section 4(f) documentation for recreational resources (the Mad River Bikeway and Deeds Park), Environmental Site Assessment (ESA) and hazardous materials handling consultation, and Cultural Resources reporting including a HABS document. This project required special Section 106 coordination to obtain regulatory approval for the removal of the bridge, which is a National Register of Historic Preservation (NRHP) eligible structure. The project was located in a highly urbanized area with a significant history of industrial activity. ESA investigations identified numerous recognized environmental concerns throughout the project corridor. As a result of these studies, additional Phase II ESA investigations were required to provide adequate plan notes relating to worker health and safety issues and waste handling and disposal. In addition, EMH&T coordinated with the City’s remediation consultant regarding work being conducted in areas currently undergoing environmental monitoring.

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