Culvert Waterproofing Membrane
Median winning unit price
Deep 13 winning bids$40.50/ SY
- Winning bids
- 13
- Source documents
- 12
Winning bids only, as awarded. Nominal dollars. How we compute this
Where the number comes from
One of the 13 winning bids behind that median, with the agency’s own document one click away.
- Agency
- MDOT · Michigan
- Letting
- Mar 6, 2026
- Quantity
- 276 Syd
- Contractor
- Z Contractors, Inc.
- Winning price
- $37.75 / SY
Median by quarter
EstimatorHow this item has priced over time, quarter by quarter, from the same rows as the headline figure.
See what Estimator addsWhat’s behind $40.50
A free account opens the full build-up of this number, down to the agency documents it came from.
Middle-half range
The p25–p75 band of winning bids — where most jobs actually land.
Price distribution
All 13 bids charted, so you can see clusters and outliers.
13 observations
Agency, county, letting date, quantity and the price as printed.
12 public bid tabulations
Every row links to the agency’s own document. Check any price yourself.
Email only — no card. Search and medians stay open without an account.
Related items
Other drainage items priced per SY, ranked by how much evidence each has.
13 observations
1 agency in 1 state · lettings Aug 9, 2019 – Mar 6, 2026
| Letting | Agency · County | Quantity | Unit price | Source document |
|---|---|---|---|---|
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