How deep should a gravel driveway base be in Boone County?

Depth depends on what the drive carries and what the ground under it does. Across the Northern Illinois till plains and Rock River country, tight till and a high water table on flat ground mean water sits in the base, so a clean stone drainage layer under the surface helps. The local building department sets footing depth, and a frost depth of about 42 inches applies across the northern counties.

How much gravel do I need for my project?

Quantities are ordered by the ton or by the yard. Each product page has a calculator to size the load, so you can work from your own project numbers rather than a guess. Order the figure the calculator gives you and pick a delivery date at checkout.

Do you deliver to Boone County?

Yes. Illinois Rock Supply delivers bulk gravel, stone, sand, topsoil and aggregates across Boone County, including Belvidere, Poplar Grove, Capron, Garden Prairie and Caledonia. You order online, choose tons or yards, and a dump truck tips the load on site on the date you pick.

Crushed Stone and Sand, Boone County, IL

Illinois Rock Supply handles gravel, stone and aggregate delivery in Boone County, IL for two kinds of buyers: contractors building drives, pads and drainage, and homeowners fixing a muddy lane or bedding a patio. Both end up asking for the same material first.

That material is CA-6, the dense graded crushed limestone with the fines left in. It is the base under driveways, parking pads, shed and garage floors and trench backfill.

Order it online and a dump truck tips it on site.

Materials Delivered in Boone County

CA-6 is the Illinois base material, and it is specified here by gradation number.

The fines stay in the mix, which is what lets it tighten up under a drive or a pad.

Clean stone is the other half of the picture. CA-7 is washed clean stone with no fines, used for bedding under pipe, drainage trenches, French drains and concrete flatwork.

CA-11 is the 3/4 inch clean washed stone sold alongside it for the same bedding and drainage work.

CA-16 chips are the small 3/8 inch stone for permeable paver bedding, drainage around tanks and topping a compacted base. Lime screenings are the crushed limestone fines that bed pavers and flagstone and backfill around pipe.

Around those you can order mason sand for mortar and paver joints, Natural Pea Gravel for walkways and play areas, river gravel and large river rock for beds and dry creek beds, fill dirt to raise grade before a base course, garden soil for raised beds, and shredded mulch for beds and tree rings.

Delivery Across Boone County

Bulk material is ordered online, and the quantity is the first decision. You choose tons or yards, and each product page has a calculator to size the load.

Pick a delivery date at checkout and a dump truck tips the load on site.

Delivery covers Belvidere, Poplar Grove, Capron, Garden Prairie and Caledonia along with the rest of the county. The truck tips the material in one pile where it lands, so think about where you want that pile before the date arrives.

Ground Conditions Across Boone County

Across the Northern Illinois till plains and Rock River country, the ground is Wisconsin Episode till and loamy prairie soils over dolomite. On the flat ground the till is tight and the water table sits high, so water has nowhere to go once it soaks in.

That is where a thin base shows itself first. Water sits in the fines, the surface rutts under a truck, and the rut holds more water.

The fix is a base course of the right material at the right depth, with a clean stone drainage layer where water needs to move.

Snowmelt and spring rain on frozen ground push water across the surface, which is why a drainage layer matters more than a thicker surface. The working season runs from the spring thaw into late fall, a little shorter than downstate, and frozen ground stops compaction in winter.

Winters here bring repeated freeze and thaw and heavy frost action in unbound base and shallow footings. Frost depth is about 42 inches across the northern counties, and the local building department sets it for footings.

Choosing the Right Material

McHenry County sits on the Chicago lake plain and the northeastern moraines, with heavy silt and clay close to Lake Michigan and clay-rich till inland. That ground holds water far longer than Boone County's till, so drainage stone earns its place there.

Winnebago County and DeKalb County share Boone County's ground region, the Northern Illinois till plains and Rock River country. The ground is the same across those lines, so the material choice does not change when a project crosses into either one.

Within Boone County, the split is simple. Fines-bearing CA-6 builds a base that tightens under a drive or pad.

Clean stone such as CA-7, CA-11 or CA-16 moves water and beds pipe. Screenings bed pavers, and riprap armors a bank or a culvert outlet.

Order Bulk Aggregate for Your Boone County Project

Start with the quantity. Each product page has a calculator, and you can order by the ton or by the yard once you have your figure.

From there, choose a delivery date at checkout and a dump truck tips the load on site anywhere in Boone County.

Bulk Aggregate Delivery Across Boone County, IL