MAD BOX CULVERT |
| Description | Sizes Available | Downloads |
| Low Profile Box Culvert | Equivalent to 18" RCP Flow | |
| Low Profile Box Culvert Headwall | Varies Per Project Design | |
| ASTM C-1433 Box Culvert | 5'x4' to 8'x8' | |
| Special Box Culvert Headwalls | Varies Per Project Design |