Drainage · awarded bid prices · Polk County
Structure concrete (rcb culvert): cost per cubic yard in Polk County, IA
Listed by the agency as “Structural Concrete (RCB Culvert)”.
The median awarded price is $1,021 per cubic yard, from 21 winning bids on 8 public projects in Polk County, IA (2024–2026). Half of the awarded prices fall between $931.00 and $1,245.
Cost by state › Iowa › Polk County › Structural Concrete (RCB Culvert)
$1,021median per cubic yard
$931.00 – $1,245middle half (25th–75th percentile)
21winning bids, 8 source documents
2024–2026lettings covered (last 3 years)
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.
Most recent source documents
| Letting | Agency | Quantity | Awarded unit price | Source |
|---|---|---|---|---|
| Sep 15, 2026 | Iowa DOT | 130.900 CY | $1,003 | contract 77-0803-274 ↗ |
| Sep 16, 2025 | Iowa DOT | 243.700 CY | $600.00 | contract 77-C077-246 ↗ |
| Jul 15, 2025 | Iowa DOT | 152.200 CY | $931.00 | contract 77-0803-342 ↗ |
| Jul 16, 2024 | Iowa DOT | 19.500 CY | $2,200 | contract 77-0803-264 ↗ |
| Mar 19, 2024 | Iowa DOT | 107.100 CY | $1,200 | contract 77-0061-500 ↗ |
See every awarded price for this item on the Structural Concrete (RCB Culvert) item page.