What are the key considerations when designing and engineering a bridge?How do engineers determine the appropriate materials to use in building a bridge?What factors must be taken into account when determining the structural integrity of a bridge?How do engineers ensure that a bridge can withstand various environmental factors, such as weather and natural disasters?What role does technology play in the engineering and construction of modern bridges?How do engineers ensure that a bridge is designed to accommodate the anticipated traffic and usage levels?What are some common challenges that engineers face when designing and building bridges?How do engineers ensure that a bridge meets safety standards and regulations?How do engineers address any potential environmental impacts of building a bridge?What role does ongoing maintenance and monitoring play in the long-term durability and safety of a bridge?