Box Culvert Underpass System - Hynds Pipe Systems Ltd.
Split Box Culvert - Columbia Precast Products
Cast-In-Place Box Culvert Formwork System
Heavy-Duty Concrete Box Culverts for Sale | Dallcon
Difference Between Box Culvert And Slab Culvert - Daily Civil
Box Culverts | Oldcastle Infrastructure
Concordia Land 100-Year Storm Box Culvert | Delta Engineers, Architects, & Land Surveyors - New York & Maryland
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