Keystone Concrete Products •

Keystone Concrete Box Culverts

are custom made to your size to fit your needs.

• 4 sided culvert boxes can span up to 20 feet.
• All concrete culvert boxes meet or exceed the PA HS20 & HS25 Load Specifications.
• Options: Pre Cast Wing Wall, Pre Cast Score/Footer and Pre Cast Head Walls.

Four Sided Box Culvert with Optional Concrete Wing Walls