News
Jun. 10, 2025
The cost of highway sound barrier walls can vary significantly depending on materials, location, design, and labor. Here's a general breakdown:
Average Cost Range
| Type | Cost per Linear Foot | Cost per Square Foot |
| Concrete Panel | $25 – $45 | $15 – $25 |
| Precast Concrete | $30 – $60 | $20 – $35 |
| Masonry/Brick | $40 – $70 | $25 – $45 |
| Metal (Aluminum/Steel) | $30 – $50 | $20 – $30 |
| Transparent (Acrylic/Glass) | $50 – $100+ | $30 – $70+ |
| Vegetated/Living Walls | $50 – $120+ | $35 – $80+ |
Cost Influencing Factors
Height & Length: Taller and longer walls scale up cost.
Material Type: Heavier materials (like masonry) are more expensive.
Labor Rates: Regional differences can swing prices.
Engineering/Permits: Design, sound testing, and permitting add to total cost.
Aesthetics/Graphics: Custom designs, colors, or murals add extra cost.
Maintenance Costs
Concrete: Low ongoing maintenance.
Metal/Transparent: May need periodic cleaning or corrosion protection.
Vegetated: Highest maintenance due to irrigation, pruning, etc.
