Talk:Koror-Babeldaob Bridge
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The collapse of the K-B Bridge was following a strengthening designed by an American firm ABAM/BERGER Enginerring and constructed by an Austrailian contractor Black Micro. The strengthening lifted the sagging dual-cantilever structure and fusing it into a continuous structure. The post-tensioning was the most ambitious undertaken up to that point (100 million kips). 2 people were killed in the collapse.