How much gravel do I need for my project?

Each product page has a calculator. You order by the ton or by the yard, and the calculator helps you size the load before checkout. Have your project area and the depth you plan to build to ready when you use it.

Do you deliver to Adams County?

Yes. Idaho Rock Supply delivers bulk gravel, stone, sand and soil across Adams County, including Council, New Meadows, Indian Valley and Mesa and the rural ground around them. You order online, pick a quantity by the ton or yard, and choose a delivery date at checkout. A dump truck tips the load on site in one pile.

What is the difference between crushed stone and Natural Pea Gravel?

Crushed stone is angular, so it knits together and stays where it is put. Natural Pea Gravel is round and uncrushed, which is why it rolls underfoot. That makes chips and crushed rock the better choice for drive surfacing and pathways, and Natural Pea Gravel the better fit for patios, dog runs and play areas.

Adams County Road Mix and Gravel Delivery, ID

Idaho Rock Supply handles gravel, stone and aggregate delivery in Adams County, ID. Each product page has a calculator, so you can size a load before you order.

Road mix is the base material yards here call crushed base with the fines left in so it locks up under a roller.

Adams County sits in the Central Idaho mountains and high valleys, where thin, coarse soils sit over granite. That ground shapes what you put under a drive, a pad or a shop floor.

Materials delivered in Adams County

Start with the job. A driveway, a patio and a drain each want a different material, and the local name is what gets you the right load.

Road mix is the base course under a driveway, a parking pad, a shop floor or a shed slab.

In Idaho it is written up two ways: state highway work follows the ITD Standard Specifications for Highway Construction, where Section 703.04 covers Aggregate for Untreated Base, Treated Base and Road Mix and is the source of the 3/4 inch minus gradation, and Section 703.11 covers aggregate for granular subbase.

City, county and highway district work is usually written to the Idaho Standards for Public Works Construction, whose Section 802 covers crushed aggregate in Type I and Type II and Section 801 covers uncrushed aggregate. A contractor ordering 3/4 minus and a homeowner ordering road mix are asking for the same load.

Pit run is unprocessed gravel taken straight from the pit, rock and fines mixed at whatever sizes the pit gives. Idaho uses it as sub base under road mix, as structural fill and for filling holes and raising grade, never as a finished surface.

Ground conditions across Adams County

Across the Central Idaho mountains and high valleys, the ground is thin and coarse over the granite of the Idaho Batholith, weathering down to sandy Stone Screenings. Glacial till and moraine sit around the valley heads, and deep outwash sand and gravel lie on the valley floors.

That ground drains fast where it is deep. Where the soil is shallow over bedrock, or the subgrade is still frozen, meltwater crosses the surface instead.

Valley floors near the rivers carry a high water table through the spring, so an under-built base softens and ruts as the frost comes out.

Spring snowmelt and rain on snow scour creek banks and mountain roads. Stone Screenings washes out readily once it is disturbed, and burned slopes shed sediment and debris into the drainages below them.

Frost depth runs at least 32 inches in Blaine County, and building officials in the highest valleys use deeper figures. The local building official sets footing depth.

This is the shortest working season in the state. Snow and frozen ground close out base and paver work from late fall until the ground dries in late spring, and the reliable window is early summer to early fall.

Delivery across Adams County

You order online, pick a quantity by the ton or by the yard, and choose a delivery date at checkout. A dump truck then tips the load on site, in one pile.

Bulk delivery covers Council, New Meadows, Indian Valley and Mesa, along with the rural ground around them. Each product page has a calculator if you want to size a load before you order.

For a long rural approach, a compacted road mix base with driveway gravel over the top gives you a surface that stands up to plowing and spring breakup. Garden paths and walkways take a finer, walkable surface than a drive does.

Choosing the right material

Valley County shares this ground region, thin coarse soils over Idaho Batholith granite with outwash sand and gravel on the valley floors. The base and drainage choice there follows the same reasoning as it does here.

Washington County is different ground: old lake silt, sand and clay with basalt beneath, worked into irrigated silt loam on the valley floor, with hard caliche layers under thin desert soils on the benches.

Caliche stops water, so a base there needs a drainage layer beneath it where coarse granitic ground sheds water on its own.

Idaho County spans more than one zone, taking in the Palouse hills and the Clearwater and Snake canyons as well as the Central Idaho mountains and high valleys. On the mountain side the ground matches this county and the same base reasoning holds.

For a driveway, order road mix for the base and driveway gravel over the top. For a patio, bed pavers on washed concrete sand or screenings and top with 3/8 chip or Natural Pea Gravel.

For a drain, use drain rock, and keep pit run for sub base and fill.

Order road mix and aggregate in Adams County

Road mix is the base material for drives, pads and shop floors across Adams County, with pit run beneath it and clean drain rock where water needs to move. Idaho Rock Supply delivers bulk gravel, stone, sand and soil by the ton.

Choose your material, size the load on the product page, and place your order online.

Bulk Gravel and Stone Delivery in Adams County, ID