Paving · awarded bid prices
CSS-1 Diluted Emulsified Asphalt FOR Tack Coat: cost per gallon in Idaho
The median awarded price is $3.30 per gallon, from 51 winning bids on 51 public projects in Idaho (2024–2026). Half of the awarded prices fall between $1.50 and $4.38.
Cost by state › Idaho › CSS-1 Diluted Emulsified Asphalt FOR Tack Coat
Winning bids only, as printed in the agencies' bid tabulations (ITD). 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 $2.00 in 2024 to $3.70 in 2026 (+85%).
| Year | Median per gallon | Winning bids |
|---|---|---|
| 2024 | $2.00 | 10 |
| 2025 | $3.42 | 14 |
| 2026 | $3.70 | 27 |
Most recent source documents
| Letting | Agency | Quantity | Awarded unit price | Source |
|---|---|---|---|---|
| Oct 20, 2026 | ITD | 520 GAL | $4.00 | line 100 ↗ |
| Oct 20, 2026 | ITD | 37.2 GAL | $4.00 | line 40 ↗ |
| Oct 6, 2026 | ITD | 312 GAL | $6.00 | line 25 ↗ |
| Oct 6, 2026 | ITD | 640 GAL | $3.30 | line 30 ↗ |
| Sep 1, 2026 | ITD | 6132 GAL | $4.60 | Open bid tab, 25082260323 ↗ |
See every awarded price for this item, in all states, on the CSS-1 Diluted Emulsified Asphalt FOR Tack Coat item page.
Related items in Idaho
- 3/4" Aggregate Type B FOR Base: $32.95 per ton
- Superpave HMA Pavement Including Asphalt & Additives Class SP-3: $145.00 per ton
- Cold Milling: $4.08 per square yard
- Removal OF Curb & Gutter: $5.00 per linear foot
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