e-mosty June 2018 American Bridges American Bridges | Page 14

↑ Figure 25: The first tower crossbeam secured on the main span
↗ Figure 26: The I LIft NY installs a precast crossbeam between
the main span tower legs
At the highest levels, anchorages for the new bridge´s
cables are installed. Formwork travellers are removed
after the final segments of the towers are completed.
192 high-strand cables are individually anchored to
the interior of the concrete towers and tensioned
until they can support the weight of the main span
roadway.
Each side of the main span requires 24 stay cables to
support the deck. Cables length varies from 190 to
623 feet. Each of the stay cables are comprised of
bundled metal strands that are tightly packed in a
protective casing.
Figure 27: First stay cable is raised to its anchor point
Figure 28: Crews guide the first stay cable into an anchor point
within a main span tower
Figure 29: Erection of the Towers
2/2018