Open Spandrel Arch Bridge Defects: Floorbeam Deterioration
CAUSES
Deck leaking/deteriorated
Expansion joints leaking
RECOMMENDED REPAIRS
INITIAL COST
EXPECTED LIFE
Do nothing
Patch delaminations as per Item 519 (and seal joints)
$45/SF
20 years
Replace deck and floorbeams
$80/SF
40 years
EXAMPLE