Slab Bridge Defects: Edge Deterioration
CAUSES
Over-the-side drainage allowing chlorides to attack bottom reinforcing steel
RECOMMENDED REPAIRS
INITIAL COST
EXPECTED LIFE
Install drip strip if top edge not deteriorated
$10/LF
20 years
Patch edge and install drip strip
$25/LF
20 years
Remove entire edge and recast edge including drip strip
$200/LF
30 years
EXAMPLE
Edge recast with drip strip and sealing
