Scale model precast box culverts 6X4X8, these are modeled off of an actual DOT approved box culvert for the AHTD.
Precast Concrete Box Culvert Scale Model 1/87 5 Piece Set
72" Precast Concrete Culvert Scale Model 1/50 4 Peice Set
2X Concrete Pillars Support Concrete Beam Cargo Load Precast Concrete 1:50
Precast Concrete Beam With Holes 370 mm Long Cargo Concrete Beam 1:50 Scale
1:87 CONCRETE 36" CULVERT PLASTIC 3D TO SCALE DIORAMA PART
1:64 CONCRETE CULVERT PLASTIC 3D TO SCALE DIORAMA PART
