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Phoenix Precast specializes in manufacturing box culvert dimensions within the range of a 6-foot span and smaller. We offer different types of box culvert designs from the removable top, open bottom and the 4-sided structure. Precast headwalls, wingwalls, cut-off walls and soil baffles are available for all sizes. All products are designed by our independent structural engineers to meet the design specifications you require.

Box Culvert - Open Bottom Designs

Three Sided Box Culvert With Integral FootingsPDF
Three Sided Box Culvert With Seperate FootingsPDF

Box Culvert - Removable Top Designs

Open Top Box CulvertPDF
Small Open Top Box CulvertPDF

Box Culvert - Standard Design

Box Culvert Standard DetailsPDF
Four Sided Box CulvertPDF


77 Regional Drive, Concord, NH 03301        P: (800) 639-2199        F: (603) 224-2927        This email address is being protected from spambots. You need JavaScript enabled to view it.

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