#411 Gravel vs Rip Rap: Size, Cost, and Which to Use

#411 Gravel

Rip Rap

Large, heavy, angular stones ranging from 6 to 24+ inches used primarily for erosion control. Rip rap protects shorelines, stream banks, bridge abutments, and steep slopes from water erosion. The heavy weight and interlocking shape resist displacement by flowing water and wave action.

#411 Gravel

• ✓ Driveways
• ✓ Driveway repairs
• ✓ Road base
• ✓ Parking areas

Rip Rap

• ✓ Shoreline protection
• ✓ Stream bank stabilization
• ✓ Bridge abutments
• ✓ Steep slope stabilization
• ✓ Culvert outlets
• ✓ Retaining wall faces

#411 Gravel

• + Compacts firmly
• + Better drainage than crusher run
• + Smooth driving surface
• + Good for resurfacing existing driveways

• − Dusty when dry
• − Not decorative
• − Can soften if drainage is poor

Rip Rap

• + Extremely effective at preventing water erosion
• + Heavy weight resists displacement by water
• + Long-lasting — lasts decades with no maintenance
• + Angular shape interlocks for stability
• + Natural appearance blends with waterside environments

• − Very heavy — requires heavy equipment to place
• − Expensive for large projects
• − Not suitable for foot traffic
• − Requires engineering design for major installations
• − Limited decorative appeal

#411 Gravel

Blend of 3/4" stone and fine particles. Typically gray in color.

Rip Rap

Large angular stones typically 6-24 inches in diameter, though some applications use stones up to 36 inches or larger. Weight ranges from 25 to 500+ pounds per stone. Colors vary by source quarry — typically gray, blue-gray, tan, or brown. Sold by the ton rather than by the yard.