Drainage · awarded bid prices
Class B Riprap: cost per ton in South Dakota
The median awarded price is $83.94 per ton, from 128 winning bids on 114 public projects in South Dakota (2023–2026). Half of the awarded prices fall between $67.85 and $99.64.
Cost by state › South Dakota › Class B Riprap
$83.94median per ton
$67.85 – $99.64middle half (25th–75th percentile)
128winning bids, 114 source documents
2023–2026lettings covered (last 3 years)
Winning bids only, as printed in the agencies' bid tabulations (SDDOT). 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 $63.20 in 2021 to $83.18 in 2026 (+32%).
| Year | Median per ton | Winning bids |
|---|---|---|
| 2021 | $63.20 | 31 |
| 2022 | $76.00 | 41 |
| 2023 | $80.00 | 43 |
| 2024 | $84.70 | 55 |
| 2025 | $82.50 | 40 |
| 2026 | $83.18 | 21 |
Most recent source documents
| Letting | Agency | Quantity | Awarded unit price | Source |
|---|---|---|---|---|
| Aug 5, 2026 | SDDOT | 6097.2 Ton | $77.72 | Open bid tab, PCN 05X0 ↗ |
| Aug 5, 2026 | SDDOT | 95.8 Ton | $90.85 | Open bid tab, PCN 0AL0 ↗ |
| Jul 15, 2026 | SDDOT | 277 Ton | $95.00 | Open bid tab, PCN 09MP ↗ |
| May 20, 2026 | SDDOT | 1511 Ton | $90.00 | Open bid tab, PCN 09A9 ↗ |
| May 20, 2026 | SDDOT | 46 Ton | $82.88 | Open bid tab, PCN 09MK ↗ |
See every awarded price for this item, in all states, on the Class B Riprap item page.
Related items in South Dakota
- Type B Drainage Fabric: $5.80 per square yard
- Remove Pipe Culvert: $50.45 per linear foot
Free account: new awarded prices for this item show on your watchlist.