Periodically due natural wear, and deterioration by the elements structures, piers, etc. have to be completely replaced. It may be time conditions warrant a reconstruction project. It’s worth it.
Unfamiliar with the geography on the island, but might the volcano be somewhat to blame?
Remember, folks, the STATUE OF LIBERTY was closed, and the WASHINGTON MONUMENT closed down for repair to a crack for a period of time.
Our nation cracks in two both figuratively and personally.
This, in itself, speaks VOLUMES!