Other · awarded bid prices · Polk County
Modified Subbase: cost per cubic yard in Polk County, IA
The median awarded price is $60.10 per cubic yard, from 25 winning bids on 25 public projects in Polk County, IA (2024–2026). Half of the awarded prices fall between $51.26 and $65.00.
Cost by state › Iowa › Polk County › Modified Subbase
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 $62.00 in 2024 to $61.12 in 2026 (-1%).
| Year | Median per cubic yard | Winning bids |
|---|---|---|
| 2024 | $62.00 | 7 |
| 2025 | $59.55 | 10 |
| 2026 | $61.12 | 8 |
Most recent source documents
| Letting | Agency | Quantity | Awarded unit price | Source |
|---|---|---|---|---|
| Sep 15, 2026 | Iowa DOT | 15996.400 CY | $51.26 | contract 77-0803-274 ↗ |
| Jul 28, 2026 | Iowa DOT | 46065.100 CY | $49.50 | contract 77-0352-490 ↗ |
| Mar 17, 2026 | Iowa DOT | 822.100 CY | $70.00 | contract 77-6102-617 ↗ |
| Mar 17, 2026 | Iowa DOT | 112.000 CY | $60.00 | contract 77-6170-002 ↗ |
| Mar 17, 2026 | Iowa DOT | 2131.000 CY | $85.00 | contract 77-8260-659 ↗ |
The same item across Iowa: statewide figures. See every awarded price for this item on the Modified Subbase item page.
Related items in Polk County
- Safety Closure: $200.00 per each
- Reinforcing Steel: $2.33 per pound
- Reinforcing Steel (Epoxy Coated): $1.75 per pound
- Revetment, Class E: $75.00 per ton
- Flaggers: $575.00 per each
- Engineering Fabric: $4.00 per square yard
- Shoulder Construction, Earth: $378.00 per station
- Reinforcing Steel, Stainless Steel: $3.75 per pound