Inlet Grates for Box Culverts

Inlet Grates are units designed to cover inlet orifices and prevent large debris from passing through. All grates are made from plate with round bar riser legs.

  • Plate and bar hybrid design is both clean and cost effective
  • 1/4″ plate with 5/8″ round bars
  • Typical openings in plate are 6″ and bars are at 7″ c/c
  • Mounting flanges on all 4 sides
  • Galvanized steel construction. Can be made from aluminum or stainless steel
  • Made in the USA in our Sleepy Eye, MN factory. USA-made steel.

Inlet Grates for Box Culverts

Part NumberGrate OpeningPlate ThicknessGrate ODxHTPrice (Each)hf:att:pa_grate-opening
IG12120612"x12"1/4"17"x17"x6"$114.00
Each
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12x12
IG12180612"x18"1/4"17"x23"x6"$204.00
Each
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12x18
IG12301012"x30"1/4"17"x35"x10"$277.00
Each
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12x30
IG12361012"x36"1/4"17"x41"x10"$236.00
Each
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12x36
IG12481012"x48"1/4"17"x53"x10"$436.00
Each
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12x48
IG12601012"x60"1/4"17"x65"x10"$469.00
Each
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12x60
IG15151015"x15"1/4"20"x20"x10"$247.00
Each
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15x15-2
IG18181018"x18"1/4"23"x23"x10"$269.00
Each
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18x18
IG18301218"x30"1/4"23"x26"x12"$406.00
Each
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18x30
IG18361218"x36"1/4"24"x42"x12"$480.00
Each
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18x36
IG24241224"x24"1/4"30"x30"x12"$428.00
Each
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24x24
IG30300630"x30"1/4"36"x36"x6"$471.00
Each
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30x30
IG30301230"x30"1/4"36"x36"x12"$489.00
Each
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30x30
IG36360636"x36"1/4"42"x42"x6"$534.00
Each
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36x36

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