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Overview | Product Catalog | Precast Concrete Pipe | Precast Box Culverts | Precast Structures | Precast Manholes | Precast Storm Water Quality Units | Design Software | Aqua Arch | Precast Electrical Vaults and Manholes

Sherman-Dixie Products

Precast Reinforced Concrete Box Culverts


Precast Concrete Box Culverts can function as a structure, a conduit or both! They are recommended for applications where circular concrete pipe cannot provide adequate flow capacity. Precast Boxes are a superior substitute for cast-in-place box culverts, long-span metal arches, short bridges and multibarrel circular culverts.


Size Ranges:

  • Spans — 4' to 24'
  • Rise — 3' to 12'

Contact Sherman-Dixie for other size availability.


Precast Boxes are very versatile and offer many advantages including:

  • Dependable, predictable structural integrity
  • Minimum traffic delays
  • Full or 3-sided Box shapes
  • Cast in Nationally Certified facilities (ACPA/NPCA)
  • Minimal Environmental Impact
  • High Early Compressive Strengths
  • Faster, Easier and Safer than Cast-in-Place Boxes
  • Ease of Installation: 6' laying lengths


  • ASTM C789/AASHTO M259 Precast — Reinforced Concrete Box Sections
  • ASTM C850/AASHTO M273 Precast — Reinforced Concrete Box Sections with less than 2 feet of cover
  • ASTM C1433 Precast — Reinforced Concrete Box Sections (latest revision of C789 and C850)


Precast Box Culvert sections can be used for the following:

  • Highway culverts
  • Railroad culverts
  • Storm drains
  • Detention systems
  • Short span highway bridges
  • Livestock, pedestrian or golf cart crossings
  • Utility tunnels
  • To replace existing open channels or ditches and/or facilitate expansion of land use.


Precast box sections are produced with reliable tongue and groove joints, which can be sealed with mastic joint, pre-formed mastic or butyl gaskets, mortar and external joint wraps.



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