#57 Stone in Montana
The rough, broken look of #57 Stone gives Montana exposed ground cover a defined finish while supporting drainage work and concrete projects.
- Size: 3/16 inch to 1 inch
- Grading: #57
- Type: Angular crushed rock
From $393 for 1 ton, delivery included
Larger loads cost less per ton: 500 tons is $24,675 ($49.35 per ton). Pick any quantity below for a delivered price.
Free delivery included
Free delivery anywhere in Montana
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Weekday delivery, earliest Oct 15
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Everything You Need to Know About #57 Stone
Size and Grading
- Size
- 3/16 inch to 1 inch
- Grading
- #57
- Type
- Angular crushed rock
#57 Stone has a rough, broken profile that reads clearly in exposed ground cover and other visible work. In Montana, it can give a driveway surface or landscaped area a plainly finished appearance while also fitting drainage installations and concrete projects. The individual crushed pieces suit jobs needing a predictable aggregate, including areas beside retaining walls where drainage is part of the work. Its distinctly crushed appearance remains useful when the stone is left visible.
East of the Continental Divide, gumbo clay can stay troublesome after moisture arrives, while valley gravel behaves differently. Deep frost makes water management worth considering around a build in either setting. When concrete is planned, make #57 Stone part of the mix as the crushed aggregate. That use keeps the material serving its intended role instead of being treated as ordinary site fill during construction and repair work.
Quickly Calculate How Much You Need
Material: #57 Stone
How to Measure
Measure the length and width of your project area in feet
Decide on depth in inches (2" for landscaping, 4" for driveways)
Enter the values above and we'll calculate the tonnage you need
Need help figuring out the right amount? We can help!
Call or text us at (406) 626-8957 and we'll help you calculate the right quantity for your project.
Not sure how much you need? The Stone Calculator has depth guides, coverage charts and worked examples for this material.
Common Uses
Concrete Aggregate
In concrete mixes, #57 stone supplies the coarse aggregate that helps form strong, durable foundations, slabs, and structural work. Its 3/16 to 1-inch stone size creates a solid internal framework for the mix.
French Drains & Drainage Systems
For a French drain, a curtain drain, or drainage around a perimeter, evenly sized #57 stone leaves clear paths for water to travel. The open spaces between pieces support flow while helping prevent clogging and settlement.
Retaining Wall Backfill
Place #57 stone behind a retaining wall to support drainage in the backfill area. The open stone layer helps relieve water pressure while giving the area behind the wall stable support.
Driveway & Parking Surfaces
#57 stone can be used for driveways and parking areas where drainage is needed. Its angular pieces key together when compacted, and the larger stone offers vehicle traction.
Why Choose #57 Stone
Recognized Size Classification
ASTM specifications define the aggregate gradation for #57 stone. Using this named size gives engineered applications a known material range for planning and installation.
Superior Drainage
The 3/16 to 1-inch stone range leaves open spaces between pieces for water movement. #57 stone is useful in residential and commercial drainage work where free flow through the aggregate is needed.
Load-Bearing Support
#57 stone is used beneath concrete and in base courses to help carry heavy loads while limiting settlement. When compacted, the angular pieces lock together to form support.
Multi-Purpose Value
#57 stone has uses in concrete, drainage work, and decorative landscape areas. Using one material across these applications can mean fewer aggregate types to coordinate during projects with multiple phases.
