Civil Engineering PE

Answer: D - All of the listed issues are potential safety and/or operational issues associated with a bridge spanning a recently repaved roadway that now a vertical clearance of 4-inches less than posted. Drivers of large vehicles depend on the posted clearance values to avoid collisions with the bridge structure. Collisions with overhead structures often lead to multiple crashes due to limitations on stopping site distances, design speeds, and traffic conditions. Traffic delays may result from overhead structure collisions, multiple vehicle crashes and repairs to the damaged structure.