👉 A bridgehead is a type of bridge that consists of a series of smaller, overlapping, and closely spaced holes or openings in the surface of a concrete or metal structure. These holes are typically used to allow for the passage of traffic during construction or maintenance work on the bridge. Bridgeheads are often located at the ends of the bridge, between two spans, or between two lanes of traffic. They can be made of various materials such as concrete, steel, or plastic, and can range in size