Define 'redundant load path' and provide an example in a typical multispan bridge.

• A. A single load path with no backups.
• B. An alternate means of carrying loads if a primary member fails; for example, adjacent girders or cross-bracing taking on load if a main girder fails.
• C. A theoretical concept with no real-world example.
• D. A method to transfer all loads to foundations during a collapse.

Answer: (B)