As part of the improvements on IDOT Contract 61D22, a water passage system consisting of hollow, rectangular four-sided precast concrete culvert structures was incorporated. | Utility Concrete Products
Box Culverts | Oldcastle Infrastructure
box culverts Archives - National Precast Concrete Association
RCC Box Culvert
Heavy-Duty Concrete Box Culverts for Sale | Dallcon
One-of-a-kind minimalist retreat built using concrete box culverts