The Seattle Department of Transportation said it has moved closer to reopening the West Seattle Bridge by completing post-tensioning work, which “dramatically” increases the bridge’s strength.
By tightening steel post-tension cables inside the bridge, it reinforces the bridge’s structure and helps to prevent it from cracking, officials said.
In April, construction crews begun the process to install a new post-tensioning system. Structural concrete components were poured for the new foundation. That work ended in May and was followed by workers building and positioning piping for the post-tension cables.
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