What is the low barrier at the bottom of the railing that prevents debris or small objects from falling off the bridge?

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Multiple Choice

What is the low barrier at the bottom of the railing that prevents debris or small objects from falling off the bridge?

Explanation:
A toe board is the low barrier at the bottom of a railing. Its purpose is to stop debris and small objects from falling off the bridge edge and potentially injuring people or causing damage below. It runs along the deck edge just above the walking surface and is securely attached to the railing or deck, typically about 3.5 inches (roughly 90 mm) high. The other components serve different roles—handrails are for gripping, midrails add vertical support, and reflectors or markings improve visibility—so they don’t serve the same debris-retention function as the toe board.

A toe board is the low barrier at the bottom of a railing. Its purpose is to stop debris and small objects from falling off the bridge edge and potentially injuring people or causing damage below. It runs along the deck edge just above the walking surface and is securely attached to the railing or deck, typically about 3.5 inches (roughly 90 mm) high. The other components serve different roles—handrails are for gripping, midrails add vertical support, and reflectors or markings improve visibility—so they don’t serve the same debris-retention function as the toe board.

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