Driveway Gravel: the 3/4 Inch Graded Mix Ohio Lanes Are Topped With

Most loads of driveway gravel in this state get ordered in March, once the frost is out and the lane that looked fine in November has ruts down both wheel tracks deep enough to catch a bumper. That is the fault the material is bought to correct, and it is worth being plain about how much of it a top course can actually fix. A graded crushed mix restores a surface. It does not rebuild a base that has gone soft underneath, and on saturated till the two faults look identical from the driver's seat.

The test is simple. If the ruts come back within a season of filling them, the trouble is below the gravel, not in it.

Sharp faces, mixed sizes and a gray dust in the pile

Push a hand into a fresh pile and it closes around your fingers rather than staying open. That is the point of a graded mix: pieces up to about 3/4 inch with smaller sizes and fines filling the gaps between them, all of it crushed so the faces are flat and the corners catch. Wet it and roll it and those fines wedge into the voids, the angular faces lock, and what was loose stone becomes a surface that carries a tire.

It is gray limestone, it dusts in a dry August, and it tracks on boots after rain. Those are the honest costs of a course that packs.

Where driveway gravel earns its keep: lanes, entrances and the township road apron

It belongs anywhere vehicles cross the same strip of ground day after day. A home entrance off a county road. A field lane that a truck and trailer use through harvest. A parking extension beside the garage that has been two tire tracks in the grass for years. The apron where a private drive meets the township road takes the worst of it, because that is where vehicles slow, turn and drop their weight onto the same few square feet, and a graded mix compacts well under exactly that kind of use.

On a lane with a working crown and somewhere for water to leave, a topped surface sheds rain sideways instead of holding puddles in the wheel tracks, which is most of what keeps it from rutting again.

A garden path, new lawn prep and a hot tub pad all want something else

Three jobs come through often and none of them is a driveway gravel job.

A garden path wants a finer surface. Foot traffic does not compact a 3/4 inch mix the way a vehicle does, so the larger pieces stay proud and roll underfoot. For a hypothetical 45 foot path at 3 feet wide and 2 inches deep, that is 135 square feet, 22.5 cubic feet, or 0.83 cubic yards of a finer material. Walkway gravel is the grade for it.

New lawn prep needs growing medium, not stone. Where a grading crew has left bare clay subsoil, the fix is fill dirt to bring the level up and then top soil over it before seed goes down.

A hot tub pad carries a concentrated point load and has to stay dead level through a freeze cycle. That is a compacted structural course: an 8 by 8 pad at 6 inches works out to 64 square feet, 32 cubic feet, about 1.2 cubic yards of 304 aggregate base, rolled in lifts, with a bedding course of screenings leveled over it.

How deep to spread it over a lane that has already rutted

Two inches of fresh material is a dressing. It fills the low spots, blends in as traffic works it, and buys a season or two on a lane whose base is sound. Three to four inches is a resurfacing, which is what a rutted lane usually needs, spread in one pass and graded out rather than tipped into the ruts and left.

Do not spread it onto grass or soft topsoil. Both compress under a wheel and hold water, so the stone works down into them in patches through the first winter. Scrape the route back to firm ground, correct the fall so water crosses the lane rather than running along it, then spread. Where the subgrade stays soft even in dry weather, the layer below matters more than the layer on top, and a coarse open stone such as #4 crushed stone goes in first to give the lane a bottom.

Ohio frost sits around 32 inches through much of the state and deeper in the north, so nothing on a lane is placed below the frost line. That is why drainage does the work instead: gravel that holds water heaves, gravel that drains does not.

Tons for a 200 foot farm lane and a 12 by 30 parking pad

Take a hypothetical lane, 200 feet long and 10 feet wide, resurfaced 3 inches deep.

• Area: 200 x 10 = 2,000 square feet
• Depth: 3 inches = 0.25 feet
• Volume: 2,000 x 0.25 = 500 cubic feet
• Cubic yards: 500 / 27 = 18.5 cubic yards
• Tons: this site figures driveway gravel at roughly 2,800 lb per cubic yard, near enough 1.4 tons per yard, so 18.5 x 1.4 = about 26 tons

And a hypothetical parking pad, 12 by 30 feet at 4 inches:

• Area: 12 x 30 = 360 square feet
• Depth: 4 inches = 0.333 feet
• Volume: 360 x 0.333 = 120 cubic feet
• Cubic yards: 120 / 27 = 4.4 cubic yards, or about 6.2 tons at the same approximate weight

Both figures are for a finished, compacted layer, so add a little for the material that works down into the old surface on the first few passes. Run your own measurements through the gravel calculator if the lane changes width along its length.

The 304 underneath and the 411 that finishes tighter

A drive built from scratch is two courses, not one. 304 aggregate base goes down first and gets compacted, because that is the ODOT item Ohio contractors specify for the base course under drives and pads. On top of it, some people prefer 411 stone to a graded driveway mix, since it runs up to about an inch with fines and packs tighter still for a lane that sees a grader blade.

Where the shoulder of the lane is washing out rather than rutting, that is an erosion problem and takes a heavier stone at the outlet rather than more surface material.

Measure the lane, work the tons, then set a quantity and a delivery date on this page. Delivery is arranged at checkout once you enter the ZIP code, so have a look at where a truck can pull in and raise a bed before you book, and stake the drop if the obvious spot is not the one you want.