Riprap in Montana

Along a Montana ranch road, water can gather beside a crossing and begin cutting at a low bank. East of the Continental Divide, wet gumbo clay can turn slick, while western valley gravel lets water drain more readily. RipRap belongs on exposed ground beside a culvert exit, along a channel edge, or at a riverbank where moving water can erode the surface. It is also suitable at shorelines where water works repeatedly against exposed soil.

Place RipRap over the part of the bank or drainage path that receives flowing water, continuing across the exposed area instead of leaving bare soil at the edge. Deep frost and freeze-thaw cycling can loosen vulnerable ground around drainage work. The material forms a substantial protective layer for runoff routes that need stone able to resist being washed away. On work near the Yellowstone River or other watercourses, inspect the route water follows before selecting the area to protect.

Shoreline & Bank Protection

Protects the edges of lakes, ponds, and streams from erosion.

Slope Stabilization

Provides support for steep slopes and embankments.

Culvert & Outlet Protection

Slows water energy at pipe and culvert discharge points.

Channel Armoring

Guards drainage channels and spillways against scour.

Stays Put

The weight of the stone resists movement in flowing water.

Erosion Control

Provides lasting protection for banks, slopes, and outlets.

Low Maintenance

Needs little upkeep once installed.

Natural Look

Complements shoreline settings and the surrounding landscape.