The National Steel Bridge Alliance (NSBA) is an organization dedicated to promoting the use of steel in bridge construction. It serves as a resource for engineers, architects, and contractors, providing guidelines, technical information, and best practices to enhance the design and construction of steel bridges. The NSBA aims to improve the quality and efficiency of steel bridge projects across the United States. Founded in 2000, the NSBA is a partnership between the American Institute of Steel Construction (AISC) and various industry stakeholders. The alliance focuses on innovation, sustainability, and safety in bridge design, ensuring that steel bridges meet modern infrastructure needs while adhering to regulatory standards.