18-inch corrugated metal pipe culvert (CMP) cost per linear foot
Updated · BuildGets Team
Public bids put the 18-inch corrugated metal pipe culvert (CMP) at a median of $105 per linear foot, with the middle half of bids between $90.00 and $119. Based on 21 bidder prices from 4 public bid tabulations.
| Median bid | $105 / LF |
| Middle 50 % of bids | $90.00 – $119 |
| Bidder prices | 21 |
| Bid tabulations | 4 |
By state
| State | Median bid | Bids | Bid tabs |
|---|---|---|---|
| Iowa | $93.00 | 9 | 1 |
| New Mexico | $110 | 7 | 1 |
| Texas | $140 | 3 | 1 |
By project
| Owner | State | Bid opening | Low bid | Median of bids | Bids |
|---|---|---|---|---|---|
| CITY OF DES MOINES | IA | Feb 2026 | $93.00 | 9 | |
| CITY OF AUSTIN | TX | Feb 2026 | $140 | $140 | 3 |
| CITY OF SANTA FE | NM | Mar 2023 | $110 | 7 | |
| 40th Avenue Sidewalk Improvement | $177 | $121 | 2 |
Related unit prices
- 24-inch corrugated metal pipe culvert (CMP): $159 / LF
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 corrugated metal pipe culvert (CMP) cost?
Public bids put the 18-inch corrugated metal pipe culvert (CMP) at a median of $105 per linear foot, with the middle half of bids between $90.00 and $119. Based on 21 bidder prices from 4 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.