Cost by county
Construction unit costs in St. Charles County, MO
Median awarded unit prices for 5 items on public projects in St. Charles County, from winning bids in agency bid tabulations. Each item page lists its source documents.
Cost by state › Missouri › St. Charles County
| Item | Per | Median | Middle half | Winning bids | Latest source document |
|---|---|---|---|---|---|
| Advanced Warning Rail System | each | $46.15 | $25.00 – $50.44 | 28 | May 16, 2025, Open the source page, contract 250516-F06 |
| Type A Crashworthy End Terminal (Mash) | each | $3,501 | $3,200 – $3,800 | 20 | Jan 16, 2026, Open the source page, contract 260116-F08 |
| Channelizer (Trim Line) | each | $21.00 | $17.25 – $25.88 | 12 | Sep 19, 2025, Open the source page, contract 250919-F02 |
| Construction sign | square foot | $8.00 | $6.97 – $9.00 | 12 | Sep 19, 2025, Open the source page, contract 250919-F02 |
| Preformed Thermoplastic Pavement Marking, 24 in. White | linear foot | $25.00 | $20.00 – $27.60 | 12 | Jan 16, 2026, Open the source page, contract 260116-F03 |