CORRUGATED METAL PIPE
Annular Riveted
Loc-Seam Spiral (Helical)
1 1/2" x 1/4" (Underdrain)
2 2/3" x 1/2" Corrugation
3" x 1" Corrugation
5" x 1" Corrugation
Pipe Arch
Plain Galvanized Steel
Aluminum Alloy
Aluminized Steel
Bituminous Coated/Paved Invert
Polymer Coated Galvanized Steel
Spiral Rib
Perforated Pipe

STRUCTURAL PLATE
6" x 2" Corrugation
Structural Plate Pipe
Structural Plate Pipe Arch
Structural Plate Pipe Underpass
Low-Profile Box Culvert

FABRICATION
Elbows/Tees/Wyes
Skewed and/or Beveled Ends
Retention/Detention Structures
Slotted Drain
Subdrain Outlets
Saddles
End Cap
Headwall
Diaphragms/Anti-Seep Collars

ACCESSORY HIGHWAY PRODUCTS
Metal End Sections
Safety Slope End Sections
Water Control/Flood Gates
Sheet Piling
Gabions
Geotextile Fabrics
Insertion Culvert Liners
Curb Inlet
Construction Castings
Rodent Guard