Portzen Construction INC (USDOT 459139)
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- DOT number
- USDOT 459139
- Docket (MC) number
- MC307464
- Operating authority
- Contract carrier authority: active. The federal bulk file showed this carrier active as of 2026-08-16. We could not confirm that live just now.
- Authority granted
- 1996-09-05
- Insurance on file
- Liability (BIPD) insurance on file for $1,000,000.
- Safety rating
- No published safety rating
- Fleet on file
- 75 power units, 120 drivers
- Operation type
- Interstate
- Physical address
- 205 STONE VALLEY DRIVE, DUBUQUE, IA 52003
- MCS-150 last filed
- 2025-05
Frequently asked questions
What carrier is DOT 459139?
DOT 459139 (USDOT 459139) is Portzen Construction INC, an interstate motor carrier.
What carrier is MC 307464?
MC 307464 is the docket number of Portzen Construction INC, USDOT 459139.
What is Portzen Construction INC's MC number?
Portzen Construction INC's docket number is MC 307464. Its USDOT number is 459139.
Is Portzen Construction INC currently authorized to operate?
Contract carrier authority: active. The federal bulk file showed this carrier active as of 2026-08-16. We could not confirm that live just now. Source: FMCSA registration and licensing records.
Does Portzen Construction INC have insurance on file with FMCSA?
Liability (BIPD) insurance on file for $1,000,000.
Who provides Portzen Construction INC's insurance?
Portzen Construction INC's liability insurance is filed with FMCSA by United Fire & Casualty CO..
What is Portzen Construction INC's safety record?
In the last 24 months, FMCSA records show a 30.0% vehicle out-of-service rate for Portzen Construction INC, from 3 of 10 vehicle inspections, against a national average of 22.9%. FMCSA records also show 0 recordable crashes in the same window.
What is Portzen Construction INC's CSA score?
FMCSA does not publish a single CSA score for carriers. Portzen Construction INC's public safety data includes its roadside inspection out-of-service rates and crash record, listed on this page.
What is Portzen Construction INC's FMCSA safety rating?
Portzen Construction INC has no published FMCSA safety rating. Most US carriers have never received a rating review, so an unrated carrier is the common case, not a warning sign by itself.
Changes over time
Carriers change. Phone numbers, email addresses, insurance, authority. A sudden contact-info change is often the first sign of carrier identity fraud. fleetfax tracks these changes. Create a free account to follow changes on carriers you save.
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Reconstructed from cached and fleetfax-ingested FMCSA public records (live FMCSA was unavailable) and may be out of date; verify current status on FMCSA SAFER. fleetfax surfaces the facts; brokers make the judgment. FMCSA status