Corrugated Metal Galvanized Steel Culvert Defects:  Bottom Corrosion

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Bottom corroded

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Bottom rusted through

CAUSES

RECOMMENDED REPAIRS INITIAL COST EXPECTED LIFE
  • Clean bottom and place concrete in bottom (even if bottom is perforated as long as culvert has good shape)
    		•  $100/LF 20 years
  • Replace culverts
    		•  $1200/LF 35 years

    EXAMPLE

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    Bottom cleaned and wire mesh in place

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    Paving begins

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    Paving progresses

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    Paving completed