Drainage · awarded bid prices · St. Louis County
Random Riprap Class III: cost per cubic yard in St. Louis County, MN
The median awarded price is $87.00 per cubic yard, from 36 winning bids on 30 public projects in St. Louis County, MN (2023–2026). Half of the awarded prices fall between $79.50 and $100.00.
Cost by state › Minnesota › St. Louis County › Random Riprap Class III
Winning bids only, as printed in the agencies' bid tabulations (MnDOT, St. Louis County). 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 $115.00 in 2020 to $90.00 in 2026 (-22%).
| Year | Median per cubic yard | Winning bids |
|---|---|---|
| 2020 | $115.00 | 9 |
| 2022 | $80.00 | 13 |
| 2023 | $94.00 | 14 |
| 2024 | $82.00 | 11 |
| 2025 | $86.00 | 13 |
| 2026 | $90.00 | 8 |
Most recent source documents
| Letting | Agency | Quantity | Awarded unit price | Source |
|---|---|---|---|---|
| Aug 6, 2026 | St. Louis County | 42 CU YD | $90.00 | Open bid tab, CP 0000-776409 ↗ |
| Jun 4, 2026 | St. Louis County | 30 CU YD | $90.00 | Open bid tab, CP 0084-880514, SP 0 ↗ |
| May 7, 2026 | St. Louis County | 19 CU YD | $164.02 | Open bid tab, CP 0100-556174 ↗ |
| Feb 26, 2026 | St. Louis County | 32 CU YD | $65.00 | Open bid tab, CP 4594-864151 ↗ |
| Feb 5, 2026 | St. Louis County | 18.8 CU YD | $70.00 | Open bid tab, CP 0013-458864 ↗ |
The same item across Minnesota: statewide figures. See every awarded price for this item on the Random Riprap Class III item page.
Related items in St. Louis County
- Remove Pipe Culverts: $17.00 per linear foot
- Storm Drain Inlet Protection: $175.00 per each
- 24" RC Pipe Apron: $1,295 per each
- Random Riprap Class II: $85.00 per cubic yard
- 24" RC Pipe Culvert Design 3006 Class III: $102.89 per linear foot