Traffic · awarded bid prices · Polk County
Detectable Warnings: cost per square foot in Polk County, IA
The median awarded price is $55.00 per square foot, from 21 winning bids on 21 public projects in Polk County, IA (2024–2026). Half of the awarded prices fall between $50.00 and $60.00.
Cost by state › Iowa › Polk County › Detectable Warnings
Winning bids only, as printed in the agencies' bid tabulations (Iowa DOT). The county is the one the agency recorded for the project. These are prices agencies awarded, not quotes: a price on a given job depends on quantity, location and timing, and the figures here are not adjusted for any of them.
Trend
The median awarded price went from $51.00 in 2024 to $60.00 in 2026 (+18%).
| Year | Median per square foot | Winning bids |
|---|---|---|
| 2024 | $51.00 | 6 |
| 2025 | $50.00 | 6 |
| 2026 | $60.00 | 9 |
Most recent source documents
| Letting | Agency | Quantity | Awarded unit price | Source |
|---|---|---|---|---|
| Sep 15, 2026 | Iowa DOT | 82.000 SF | $76.00 | contract 77-0654-184 ↗ |
| Sep 15, 2026 | Iowa DOT | 194.000 SF | $100.00 | contract 77-0803-274 ↗ |
| Jun 16, 2026 | Iowa DOT | 40.000 SF | $60.00 | contract 77-C077-249 ↗ |
| May 19, 2026 | Iowa DOT | 188.000 SF | $63.50 | contract 77-0282-052-A ↗ |
| Mar 17, 2026 | Iowa DOT | 118.000 SF | $60.00 | contract 77-1945-859 ↗ |
The same item across Iowa: statewide figures. See every awarded price for this item on the Detectable Warnings item page.
Related items in Polk County
- Portable Dynamic Message Sign (Pdms): $125.00 per day
- Painted Pavement Markings, Waterborne or Solvent-based: $56.00 per station
- Grooves Cut for Pavement Markings: $65.00 per station
- Type A Signs, Sheet Aluminum: $25.00 per square foot
- Mulching, Bonded Fiber Matrix: $3,425 per acre