Gravel, Stone and Soil for Benton County, IA

Order gravel, stone and aggregate delivery in Benton County, IA online. Iowa Rock Supply sells bulk material by the ton or the yard and runs a dump truck to your site.

Start with Class A roadstone, the crushed limestone base course Iowa crews build drives and pads on. Most other materials here support it or finish the job.

Materials Delivered in Benton County

Class A roadstone is crushed limestone with the fines left in, so it binds and compacts into a firm base.

11. County engineers and city entrance standards call the same material roadstone.

Order it for driveways, parking pads, shed bases and farm lanes. It is the standard base course across the Iowan Surface.

The rest of the lineup covers drainage, bedding, decoration and soil. Every material below is sold by the ton or the yard and delivered bulk.

Round out an order with 3/8" Crushed Stone for seal coat and paver joints, or River Rock and Large River Rock for beds and dry creek beds.

For planting, add Garden Soil, Shredded Mulch, Mason Sand or Washed Sand.

Delivery Across Benton County

Order online and pick your quantity by the ton or by the yard. Each product page has a calculator to size the load before you check out.

Choose a delivery date at checkout, and a dump truck tips the load in one pile on site. Deliveries reach Vinton, Belle Plaine, Atkins, Urbana, Newhall and Walford.

Coverage also runs to Shellsburg, Van Horne, Keystone, Blairstown, Norway, Garrison, Mount Auburn and Luzerne. Have the drop spot clear and firm before the truck arrives.

Ground Conditions Across Benton County

This county sits on the Iowan Surface: loamy glacial till planed down by cold-climate erosion, with a thin and patchy loess cover. A residual stone line or pebble band often sits near the surface, and large granite and quartzite erratics are scattered through the fields.

That ground moves. Sheet wash on the long, low slopes and gully cutting where runoff concentrates both show up after heavy rain.

A thin base course over soft ground rutts out first.

Drainage networks here are well established but stream gradients are low, so water moves slowly. Pockets of old wetland ground still hold water, and limestone aquifers can put groundwater close to the surface.

Where a base thins, water gets into the subgrade and the surface breaks up. A clean, open graded drainage layer under the wearing course carries that water away instead of letting it sit.

Bank scour on the Cedar, Wapsipinicon and Shell Rock after heavy rain and thaw is a regional pattern across the Iowan Surface. Riprap armors those edges and culvert outlets.

Work starts once frost is out and the low gradient ground has drained, then runs to the fall freeze. Low spots stay soft well after the uplands are ready.

Hard northern Iowa winters bring a long frozen season and repeated freeze-thaw that lifts gravel drives, walks and slabs each spring. Frost depth is commonly 42 inches, and the local building official sets footing depth.

Choosing the Right Material

Johnson County sits on the Southern Iowa Drift Plain, not the Iowan Surface. That ground is old pre-Illinoian till under a windblown loess mantle, usually 5 to 30 feet thick, with buried paleosols beneath.

The Yarmouth-Sangamon paleosol there is a thick, gummy grey clay that water will not move through. Farmers call working in it gumbo.

On ground like that, a clean, open graded drainage layer matters more than it does here.

Poweshiek County shares that same Southern Iowa Drift Plain ground. The loess mantle and the gummy clay beneath it are the same story, so the drainage approach holds.

Iowa County also sits on the Southern Iowa Drift Plain. Its ground matches Poweshiek County, so the same drainage thinking applies.

Pick by job. Class A roadstone builds the base.

Clean rock and 3/4 inch clean stone handle drainage and pipe bedding. Limestone screenings bed pavers, and riprap holds banks and outlets.

Questions About Ordering Gravel and Stone

Should I order material by the ton or by the yard?

Both work, and the choice is yours at checkout. Tons measure weight and yards measure volume.

Each product page has a calculator to size the load, so pick the unit you are comfortable with and set the quantity there.

Which stone is best for drainage in Benton County?

Clean rock is washed and open graded, so water moves straight through it. Use it for subdrains, drainage tile backfill and pipe bedding.

3/4 inch clean stone works for drive surfacing where you want a loose, free draining layer.

What do I need to have ready for a bulk delivery?

Have the drop spot clear and firm, with room for a dump truck to reach it. The truck tips the load in one pile, so plan where that pile should land.

Place your order online and pick a delivery date at checkout.

Order Gravel and Stone for Your Benton County Project

Size the load on the product page calculator, then set your quantity by the ton or the yard. Choose a delivery date at checkout and the truck brings it to your site.

Iowa Rock Supply serves Benton County with bulk gravel, stone, sand, soil and mulch. Place your order online and get the material moving.