Any retaining wall taller than 3 feet can produce significant tipping forces. This is one reason some retaining walls have a batter, or backwards lean, to offset this force.

Learn More › Highlights The typical cost range to build a railroad tie retaining wall falls between $2,000 and $2,400, while the national average cost is $2,200. A railroad tie retaining wall ...

I’ve watched many retaining wall videos that are filled with very bad information. I urge you to seek the advice of a structural engineer for any wall taller than 6 feet.