e-mosty June 2017: Osman Gazi B. US Suspension. Hålogaland B. e-mosty June 2017: Suspension Bridges | Page 44

Apart from inspection and routine maintenance work,
major preservation or improvement work on the
major suspension bridges in the US has focused
mainly on:
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Consequently, it is not uncommon for owners to
expect a reduced life of 50 years for the deck,
compared to over a 100 year service life for the other
major components of the structure. The use of grid
infill rather than orthotropic decks makes
replacement less onerous. Perhaps this thinking is one
of the reasons that cable stayed bridges, with high
deck compression loads being integral to the form of
the structure, have until relatively