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BAY TRAIL BRIDGE AT OYSTER BAY SLOUGH FINAL INITIAL STUDYIMITIGATED NEGATIVE DECLARATION INTRODUCTION This document constitutes the Final Initial Study/Mitigated Negative Declaration (lS/MND) for the Bay Trail Bridge at Oyster Bay Slough. The Draft IS/MND was circulated for public review and comment from 10 October to 14 November 2005. During that time, three comment letters were received. The comment letters are attached to this Final IS/MND as Appendix A. Responses to all the comments are also included in Appendix A. In response to some of the comments, editorial changes have been made to the Draft IS/MND. Those changes are indicated in the text as strike-outs (for deletions) and underscoring (for additions). A Mitigation Monitoring Reporting Program has also been prepared and is included as Appendix B. Subsequent to the publication onhe Draft IS/MND, the Port of Oakland (Port) and the City of San Leandro (City) have negotiated a Right-of-Entry and Indemnification Agreement that sets forth the responsibilities for repair and maintenance activities for the proposed trail by the Port and the City. Subsequent to the publication ofthe Draft IS/MND, the City has assumed lead agency status for this document. The East Bay Regional Park District remains a responsible agency. A. PROJECT DESCRIPTION Summary of Proiect The project site is located south of Oakland International Airport along San Francisco Bay (Figure 1). The project includes the construction of a 350-foot pedestrian/bicyc1e bridge, and a 630-foot (192-meter) long paved trail to connect the Oyster Bay Regional Shoreline, located in the city of San Leandro, with recently constructed Bay Trail facilities that are located to the north on property owned by the Port of Oakland (Figures 2 and 3). Detailed engineering plans have been prepared (Mark Thomas & Co., 2005). The bridge would span a shallow, man-made tidal slough (Oyster Bay Slough). The bridge and connecting trail would connect an existing Class I bike trail within the Oyster Bay Regional Shoreline Park to a levee trail located on the Port of Oakland property to the north (Figures 2 and 3). The bridge and connecting trail would fill one of the final links in the regional Bay Trail in the area, and would provide a continuous bike path from Oakland to Hayward. The south bank has natural vegetation with no visible structures or utilities at the bridge crossing. The north bank of the slough has stone and concrete riprap and rubble for bank erosion protection. The north landing of the bridge would be on land owned by the city of San Leandro used for wastewater treatment purposes. A gravel access road surrounds an unused wastewater treatment pond on the northern levee that is approximately ten feet higher than the water level of the slough. Y4204IS.00693.doc - 4/5/07 -1-