Traffic · awarded bid prices
Detectable Warnings: cost per square foot in Iowa
The median awarded price is $50.00 per square foot, from 184 winning bids on 176 public projects in Iowa (2024–2026). Half of the awarded prices fall between $45.00 and $60.00.
Cost by state › Iowa › Detectable Warnings
$50.00median per square foot
$45.00 – $60.00middle half (25th–75th percentile)
184winning bids, 176 source documents
2024–2026lettings covered (last 3 years)
Winning bids only, as printed in the agencies' bid tabulations (Iowa DOT). 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 $50.00 in 2024 to $55.00 in 2026 (+10%).
| Year | Median per square foot | Winning bids |
|---|---|---|
| 2024 | $50.00 | 68 |
| 2025 | $50.00 | 56 |
| 2026 | $55.00 | 60 |
Most recent source documents
| Letting | Agency | Quantity | Awarded unit price | Source |
|---|---|---|---|---|
| Oct 20, 2026 | Iowa DOT | 20.000 SF | $70.00 | contract 17-0658-082 ↗ |
| Oct 20, 2026 | Iowa DOT | 439.000 SF | $55.00 | contract 52-0067-098 ↗ |
| Sep 15, 2026 | Iowa DOT | 200.000 SF | $55.00 | contract 21-0182-142 ↗ |
| 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 ↗ |
See every awarded price for this item, in all states, on the Detectable Warnings item page.
Detectable Warnings in other states
- Illinois: median $40.00 (673 bids)
- Florida: median $40.43 (377 bids)
- Kentucky: median $50.00 (170 bids)
- Colorado: median $80.90 (29 bids)
Related items in Iowa
- Pilot Cars: $865.00 per each
- Grooves Cut for Pavement Markings: $35.00 per station
- Portable Dynamic Message Sign (Pdms): $100.00 per day
- Pavement Markings Removed: $80.00 per station
- Asphalt Binder, PG 58-28S, Standard Traffic: $525.00 per ton
- Removal of Sign: $125.00 per each
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