$!!!!!!202$ "Consider a hypothetical scenario where a municipality plans to construct a new bridge over a river to alleviate traffic congestion in a growing urban area. Discuss in detail the key factors and considerations that civil engineers must take into account during the planning and design phase of this bridge project. Explain how factors such as geotechnical analysis, environmental impact assessment, traffic flow modeling, material selection, and structural design standards play crucial roles in ensuring the safety, efficiency, and sustainability of the proposed bridge. Additionally, analyze the potential challenges and trade$-$offs that engineers might encounter in balancing the project's technical requirements with budgetary constraints and community needs."