Corrugated Metal Galvanized Steel Culvert Defects:  Cracks at Bolted Connections

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Cracks at lower bolt line

CAUSES

RECOMMENDED REPAIRS INITIAL COST EXPECTED LIFE
  • If cracks are less than 10% of culvert length, then just monitor and do nothing
  •    
  • If cracks are more than 10% of culvert length or propagating, weld short piece of rebar across the crack on every other corrugation
  • $50 Each 10 years
  • Replace culvert
  • $1500/LF 25 years

    EXAMPLE