Aluminum Pipe Arch Culvert Supply & Assembly

The contract mandates the supply, delivery, and field assembly of a 13-foot-1-inch span by 8-foot-4-inch rise aluminum structural plate pipe arch measuring 63 linear feet in length, featuring Type 2 ribs spaced at 27 inches on center. All components must fully comply with AASHTO and North Carolina Department of Transportation standards to ensure structural integrity, durability, and compatibility with state infrastructure protocols. The scope encompasses not only the manufacture and transport of the culvert system but also its precise installation on site under approved engineering specifications. This subcontract opportunity, issued by the North Carolina Department of Transportation, is open for response until June 29, 2026, and was posted on June 17, 2026. It falls under NAICS code 332312 for fabricated metal product manufacturing, indicating the specialized nature of the fabrication and assembly requirements. The place of performance is within North Carolina, though the exact location is unspecified, and bidders must be prepared to coordinate logistics and labor for field installation according to DOT guidelines. The solicitation is available online through the state’s procurement portal for detailed technical requirements and submission instructions.