Table 1: Collisions of vessels and bridges in the United States, 1962-1983.

Accident records show that sooner or later hindrances near a waterway will be hit by ships, be it navigation marks, bridge structures, reefs or shallows. With t

Accident records show that sooner or later hindrances near a waterway will be hit by ships, be it navigation marks, bridge structures, reefs or shallows. With t