49th Street Bridge: A Study in Environmental Planningby Michael D. Young, Parsons Brinckerhoff Quade &, Douglas, Inc, Tampa, United States,
Michael P. Maroney, Parsons Brinckerhoff Quade &, Douglas, Inc, Tampa, United States,
Abstract: The State of Florida, with its substantial environmental legislation, rigorous permitting requirements, and growing public awareness, poses a major challenge for the water resources engineer. The 49th Street Bridge, which will span a portion of Old Tampa Bay in Pinellas County, Florida, recently received its final approved permits. This project required innovative and state-of-the-art design in order to obtain the necessary environmental permits. The new bridge and associated roadway will relieve traffic congestion in the area, while preventing harm to the local ecosystem. The design incorporates wet and dry retention/detention ponds, bridge piping, and wetland creation, enhancement and mitigation to provide a facility that should actually enhance the water quality of Old Tampa Bay, which is designated as an 'Outstanding Florida Water'. The bay's surrounding estuarine wetlands are also protected by the state. This project exemplifies the positive effect on the environment that is possible through a concerted effort between government and the consulting engineer.
Subject Headings: Environmental issues | Streets | Water quality | Bridges | Bridge design | Wetlands (coastal) | Consulting services | Bays | Retention basins | Water resources | North America | Florida | United States | Tampa
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