How much does a silt fence cost per foot?
Two recent state DOT bid summaries put silt fence at about $3.40 to $3.70 per linear foot. Arkansas DOT's weighted average for item 621 Silt Fence was $3.42/LF (May 2025 to May 2026), and Nebraska DOT averaged $3.67/LF for Fabric Silt Fence-Low Porosity (July 2024 to June 2025). Individual bids range much wider.
Silt fence bid prices from state DOT averages
Arkansas contract prices for the same item ran from $0.10 to $20.00 per LF in that period.
| State DOT and item | Period | Quantity | Average |
|---|---|---|---|
| Arkansas 621 Silt Fence | 5/21/2025 to 5/20/2026 | 175,309 LF | $3.42/LF |
| Nebraska L022.11 Fabric Silt Fence-Low Porosity | 7/1/2024 to 6/30/2025 | 144,312 LF | $3.67/LF |
| Nebraska L022.12 Fabric Silt Fence-High Porosity | 7/1/2024 to 6/30/2025 | 7,503 LF | $4.09/LF |
| Nebraska 1111.05 Remove Silt Fence | 7/1/2024 to 6/30/2025 | 179,001 LF | $0.76/LF |
What drives silt fence cost per foot
Fence type, project quantity, installation method, terrain and how the pay items are split. Nebraska bids removal and Silt Fence Cleanout ($0.68/LF) as separate items. For your state, look up the DOT's average unit bid prices or bid tabulations for the matching pay item.
Sources
Checked 2026-11-02.