[01] Md. Faisal, Department of Disaster Resilience and Engineering, Patuakhlai Science and Technology University, Patuakhali, Bangladesh. [02] Irteja Hasan, Department of GIS and Earth Observation, Patuakhlai Science and Technology University, Patuakhali, Bangladesh. [03] Milton Kumar Saha, Department of Disaster Risk Management, Patuakhlai Science and Technology University, Patuakhali, Bangladesh. [04] Anirban Das, Department of Environmental Science, Jahangirnagar University, Dhaka, Bangladesh. [05] Musrat Hasan Emon, Department of Environmental Science, Jahangirnagar University, Dhaka, Bangladesh. [06] Tanvir Ahmed, Department of Environmental Science, Jahangirnagar University, Dhaka, Bangladesh. [07] Tamima Akhter Tanni, Department of Environmental Science, Bangladesh Agricultural University, Mymensingh, Bangladesh.

The purpose of this research is to assess the probable positive and negative impacts on the environment for developmental activities and establish environmental management plan for managing the adverse negative impact. In this research, an interaction matrix method was applied to evaluate the expected environmental impacts. Interaction matrices are widely used in environmental impact assessments (EIAs) method, where project activity are shown in the row of the matrix and environmental and social components are presented in the column of the matrix. This research has been conducted at Galachipa sub district of Patuakhali district in Bangladesh where the proposed Galachipa Bridge will be constructed. A total 50 possible affected household were randomly interviewed using semi-structured questionnaire; in addition to, 10 consultations meeting were arranged in order to find out the amount of actual damage of proposed project and how the people will be benefited. Besides this, expert consultations, Focus Group Discussions (FGD), and Key Informants Interview (KII) method be followed. This study revealed that significant numbers of people would lose their agricultural and homestead land due to land acquisition and resettlement site development; in contrast, traffic safety risk will be increased substantially. Additionally, the flora and fauna diversity will be highly affected due to project activities. Besides this, during the construction period, high amount of noise will be generated in an underwater and physical environment that will be highly hampered the aquatic habitats and health of workers and the people of the nearby community. Nevertheless, at the time of the construction, some of the affected people will get short-term employment opportunities. Moreover, the land use pattern will be changed and successful completion of the project will rapidly develop the area. Finally, the researchers were formulated an environmental management and monitoring plan which will help to mitigate the adverse negative impact.

Environmental Impact Assessment, Bridge, Management Plan, Mitigation, Bangladesh

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