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  • Environmental Permitting for the Hatem and Tydings Bridges

Environmental Permitting for the Hatem and Tydings Bridges

The Maryland Transportation Authority (MDTA is performing repairs and scour protections to the Millard E. Tydings Memorial Bridge/I-95 and the Thomas J. Hatem Memorial Bridge/US 40 over the Susquehanna River, after inspections revealed extensive vertical and horizontal cracking of the bridge footings and substructures. Straughan coordinated with the Maryland Department of the Environment, U.S. Army Corps of Engineers, Atlantic and Chesapeake Bays Critical Areas Commission, and U.S. Coast Guard, and represented MDTA at an interagency Joint Evaluation Meeting (JEM), and secured all necessary permits and approvals ahead of the accelerated construction schedule. Straughan conducted wetland/stream, tree inventories, prepared a Joint Federal/State Application (JF/SA) and buffer compensation planting plan, performed a biological assessment for the federally endangered shortnose sturgeon (Acipenser brevirostrum), and conducted a field survey for the state endangered map turtle (Graptemys geographica).