The 15" and 18" versions are coming soon. ($998.0 per wall) Stackstone Bridge is a traditional stack stone with mortar. Homebridge includes a beautiful radial design which will set off and highlight the bore. Stackstone is available with a cast-in address plaque Perfect for Residential driveways — dress up a concrete culvert pipe with a cover that looks like a real stone or brick bridge Drainage ditches & creek crossings — protect and beautify the culvert while keeping water flowing freely Subdivision entrances & gated communities — create a welcoming, upscale entry without the cost of poured-in-place masonry Rural & farm properties — durable enough for tractor traffic, attractive enough for the front of the property Landscape contractors — a fast-install upgrade that wows clients and earns referrals