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Phoenix Precast has many options for your designs in regards to headwalls, in either flat or winged styles. Headwalls can be manufactured for any size single pipe, or various parallel pipe configurations.

Driveway Crossings

12in Driveway Culvert HWPDF
12in Driveway Culvert HW River Rock FinishPDF
15in Driveway Crossing HWPDF
15in Driveway Culvert HW River Rock FinishPDF
18in Driveway Culvert HWPDF
18in Driveway Culvert HW River Rock FinishPDF

Dual Pipe Headwalls - Winged

Dual 12in RCP Winged HeadwallPDF
Dual 12in RCP Winged Headwall with BasePDF
Dual 15in RCP Winged HeadwallPDF
Dual 15in RCP Winged Headwall with BasePDF
Dual 18in RCP Winged HeadwallPDF
Dual 18in RCP Winged Headwall with BasePDF
Dual 24in RCP Winged HeadwallPDF
Dual 24in RCP Winged Headwall with BasePDF

Dual Pipe Headwalls - Straight

Dual 12in Pipe Straight HeadwallPDF
Dual 15in Pipe Straight HeadwallPDF
Dual 18in Pipe Straight HeadwallPDF
Dual 24in Pipe Straight HeadwallPDF

Mass Highway Standards

12in Pipe MASSHWYPDF
15in Pipe MASSHWYPDF
18in Pipe MASSHWYPDF
24in Pipe MASSHWYPDF
30in Pipe MASSHWYPDF

NHDOT Standards - Angled Headwalls

6in L-Shaped Under Drain 135 - UL2PDF
12in L-Shaped Under Drain 135 - UL2PDF
12in RCP L-Shaped NH DOT LeftPDF
12in RCP L-Shaped NH DOT RightPDF
15in RCP L-Shaped NH DOT LeftPDF
15in RCP L-Shaped NH DOT RightPDF
18in RCP L-Shaped NH DOT LeftPDF
18in RCP L-Shaped NH DOT RightPDF
24in RCP L-Shaped NH DOT LeftPDF
24in RCP L-Shaped NH DOT RightPDF
30in RCP L-Shaped NH DOT LeftPDF
30in RCP L-Shaped NH DOT RightPDF

NHDOT Standards - Straight Headwalls

6in Thru 10in Pipe NHDOTPDF
12in Pipe NHDOTPDF
15in Pipe NHDOTPDF
18in Pipe NHDOTPDF
24in Pipe NHDOTPDF
30in Pipe NHDOTPDF
36in Pipe NHDOTPDF
42in Pipe NH DOTPDF
48in ADS NH DOTPDF
48in RCP NH DOTPDF
54in RCP NH DOTPDF
Underdrain Headwall 6in UH-1PDF
Underdrain Headwall 12in UH-1PDF
Underdrain Headwall 15in UH-1PDF

Phoenix Standard Straight

6 & 8in Pipe Phoenix StandardPDF
12in Pipe Phoenix StandardPDF
15in Pipe Phoenix StandardPDF
18in Pipe Phoenix StandardPDF
24in Pipe Phoenix StandardPDF
30in Pipe Phoenix StandardPDF
36in Pipe Phoenix StandardPDF
42in Pipe Phoenix StandardPDF
48in Pipe Phoenix StandardPDF

Rockface - River Rock Style

12in Rockface Headwall SmallPDF
12in Rockface Headwall StandardPDF
15in Rockface Headwall StandardPDF
18in Rockface Headwall StandardPDF
24in Rockface Headwall StandardPDF

Winged Headwall Standard

12in Pipe WingwallPDF
15in Pipe WingwallPDF
18in Pipe WingwallPDF
24in Pipe WingwallPDF
30in Pipe WingwallPDF
36in Pipe WingwallPDF
42in Pipe WingwallPDF
48in Pipe WingwallPDF

Winged Headwall With Base

18in Pipe Wingwall with BasePDF
24in Pipe Wingwall with BasePDF
30in Pipe Wingwall with BasePDF
36in Pipe Wingwall with BasePDF
42in Pipe Wingwall with BasePDF
48in Pipe Wingwall with BasePDF

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