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Butler County, IA · Tunnel Worker
Tunnel Worker prevailing wage in Butler County, Iowa
$38.55an hour, base wage + fringe benefits (our sum)
$29.95 base wage + $8.60 fringe benefits · SUIA2002-002
Butler County uses the same tunnel worker rates as 98 other counties. See all of them on one page.
On federally funded or assisted heavy construction in Butler County, a tunnel worker must be paid at least $38.55 an hour: a $29.95 base wage plus $8.60 in fringe benefits, under wage determination IA20260002 (modification 2). DOL prints no total, so $38.55 is our sum of the two.
Wage determination IA20260002, modification 2, published June 24, 2026, for heavy construction; rate identifier SUIA2002-002 (December 1, 2014). Checked against sam.gov on October 25, 2026.
Davis-Bacon is the only prevailing wage here (federally funded or assisted work). Iowa has no state prevailing wage law (DOL state table).
DOL lists 2 tunnel worker rates for Butler County, from $38.55 to $40.55 an hour. See all of them.
Base wage and fringe benefits: $29.95 + $8.60
The base wage is the taxable hourly wage. DOL prints the fringe benefits as one hourly figure, not itemized; it can go to health, pension, vacation and training plans, or be paid as cash where the state allows.
| Base wage (taxable) | $29.95 |
| Fringe benefits (one figure, not itemized) | $8.60 |
| Base + fringe benefits (our sum; DOL prints no total) | $38.55 |
When does this rate change?
- A contract keeps the wage determination in its bid documents. Modifications published before bid opening apply to it, though one published less than 10 days before can be left out if the agency finds there isn't time to tell bidders (29 CFR 1.6(c)).
- DOL changes a WD by publishing a numbered modification on SAM.gov. This page reads the modification named in the Source line; the Iowa change log lists what each one changed.
Every tunnel worker rate in Butler County
As DOL lists them. The highlighted row is the one this page leads with.
| Classification | Base wage | Fringe benefits | Total rate | WD |
|---|---|---|---|---|
| LABORERS: CLASS AA- Pipelayer, concrete specialist; tunnelman (MISSOURI RIVER)SUIA2002-002 | $29.95 | $8.60 | $38.55 | IA20260002 Mod 2 |
| LABORERS: CLASS AA- Pipelayer, concrete specialist; tunnelman (MISSISSIPPI RIVER)SUIA2002-002 | $31.95 | $8.60 | $40.55 | IA20260002 Mod 2 |
How Butler County compares
The main tunnel worker rate in every county that has one, and how the pay splits here and nearby. All bars use the same scale.
Every county in Iowa
Wage and fringe benefits, nearby
- Butler Countybase $29.95$38.55
- Floyd Countybase $29.95$38.55
- Grundy Countybase $29.95$38.55
- Bremer Countybase $29.95$38.55
Tunnel Worker rates in nearby counties
Current DOL rates. Davis-Bacon rates are set for groups of counties, so neighbours often share them; the county where the work is done decides.
DOL's tunnel worker rates for Butler County are the same as in 98 other counties: Adair, Adams, Allamakee, Appanoose, Audubon, Benton, Black Hawk, Boone and 90 more.
| County | Classification | Base wage | Total rate | vs Butler County |
|---|---|---|---|---|
| Butler County | LABORERS: CLASS AA- Pipelayer, concrete specialist; tunnelman (MISSOURI RIVER) | $29.95 | $38.55 | |
| Floyd County | LABORERS: CLASS AA- Pipelayer, concrete specialist; tunnelman (MISSOURI RIVER) | $29.95 | $38.55 | same |
| Grundy County | LABORERS: CLASS AA- Pipelayer, concrete specialist; tunnelman (MISSOURI RIVER) | $29.95 | $38.55 | same |
| Bremer County | LABORERS: CLASS AA- Pipelayer, concrete specialist; tunnelman (MISSOURI RIVER) | $29.95 | $38.55 | same |
| Franklin County | LABORERS: CLASS AA- Pipelayer, concrete specialist; tunnelman (MISSOURI RIVER) | $29.95 | $38.55 | same |
| Black Hawk County | LABORERS: CLASS AA- Pipelayer, concrete specialist; tunnelman (MISSOURI RIVER) | $29.95 | $38.55 | same |
| Chickasaw County | LABORERS: CLASS AA- Pipelayer, concrete specialist; tunnelman (MISSOURI RIVER) | $29.95 | $38.55 | same |
More from DOL on this rate
- DOL wage determination
- SAM.gov wage determinations
- Davis-Bacon determinations list journeyworker rates. Apprentices in a program registered with DOL or a recognized state agency can be paid the program's percentage of the rate, within its ratio; anyone else gets the full rate (29 CFR 5.5(a)(4)).
Are you being paid this rate?
Add your base pay to the fringe your employer pays for you, in cash or into plans, and compare the sum with the total. The Department of Labor's Wage and Hour Division takes complaints: 1-866-487-9243, or dol.gov/agencies/whd/contact/complaints.
Source
U.S. Department of Labor, Wage and Hour Division (DOL), wage determination IA20260002 Mod 2, published June 24, 2026: sam.gov/wage-determination/IA20260002/2
We read every active Iowa Davis-Bacon wage determination from SAM.gov's own data and check every number with a second, independent read of the same file. DOL prints no total; ours is base plus fringe. How we check · Download Butler County as CSV · Report an error