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Hubstake
Drainage HS-DRN-RIPRAP-CY-X-HEAVY

Riprap

Unit CY · Lettings Sep 15, 2010 – Aug 19, 2026 · 3 agencies · 2 agency descriptions pooled

Pooled median

$70.00/ CY

p25–p75
$55.00 – $85.04
Prices in the median
2,240
Source documents
377
States
3
p25 $55.00p75 $85.04

154 of 2,394 prices fell outside the Tukey fences (p25 − 1.5×IQR to p75 + 1.5×IQR) and are excluded from the figures above. They remain on the item pages below.

The 2 descriptions behind this price

Each agency prints this item in its own words. Every one keeps its own page and its own median; this page is the pooled view.

As the agency printed itWinning bidsMedianp25–p75
Riprap Heavy2,268$70.73$56.00 – $91.22
Heavy Riprap126$75.00$55.00 – $100

By agency

WisDOT2,041
MDOT227
MaineDOT126

By state

Wisconsin2,041
Michigan227
Maine126

How this bucket was built

Hubstake parses each printed description into structured attributes — material, class, size, work type — and mints the identifier HS-DRN-RIPRAP-CY-X-HEAVY from them. Only descriptions the parser accounted for in full are pooled; anything it could not read in full keeps its own page and stays out of this median, because the part it could not read is usually the part that moves the price. Award, bid and final-payment prices are never blended — this bucket is award prices.

How the index is built