18-inch flared end section or headwall cost
Updated · BuildGets Team
Public bids put the 18-inch flared end section or headwall at a median of $1,300 each, with the middle half of bids between $605 and $2,550. Based on 29 bidder prices from 6 public bid tabulations.
| Median bid | $1,300 / EA |
| Middle 50 % of bids | $605 – $2,550 |
| Bidder prices | 29 |
| Bid tabulations | 6 |
By state
| State | Median bid | Bids | Bid tabs |
|---|---|---|---|
| Texas | $3,707 | 14 | 2 |
| Iowa | $605 | 9 | 1 |
| New Mexico | $525 | 4 | 1 |
By project
| Owner | State | Bid opening | Low bid | Median of bids | Bids |
|---|---|---|---|---|---|
| CITY OF DES MOINES | IA | Feb 2026 | $605 | 9 | |
| CITY OF AUSTIN | TX | Nov 2025 | $4,000 | $5,830 | 9 |
| CITY OF MONTGOMERY | TX | Nov 2024 | $1,620 | 5 | |
| CITY OF SANTA FE | NM | Mar 2023 | $525 | 4 | |
| Heron Pond-Carpio Sanguinette Park Phase 1B, Schedule A & B | $4,549 | 2 | |||
| 56th & Pene Blvd. Interchange | $1,300 | $1,200 | 4 |
Related unit prices
- Flared end section or headwall: $15,162 / EA
- 12-inch flared end section or headwall: $1,460 / EA
- 15-inch flared end section or headwall: $561 / EA
- 24-inch flared end section or headwall: $1,250 / EA
- 30-inch flared end section or headwall: $1,942 / EA
- 48-inch flared end section or headwall: $4,768 / EA
Prices are what contractors bid on public jobs, not installed costs from a price book. What each item includes varies by owner: read the item description before comparing. Methodology and all items: water and sewer unit price index.
Questions
How much does an 18-inch flared end section or headwall cost?
Public bids put the 18-inch flared end section or headwall at a median of $1,300 each, with the middle half of bids between $605 and $2,550. Based on 29 bidder prices from 6 public bid tabulations.
Does the price include excavation and restoration?
It depends on each bid form: some owners include excavation, bedding, backfill or restoration in this item and others pay them as separate items. Check the item description of each source.