PORTZEN CONSTRUCTION INC
AUTHORIZEDUSDOT
459139
MC Number
307464
Fleet Size
75
Total Drivers
120
Last updated: March 16, 2026
Broker verification report
Want a verification report for this carrier?
Request a sample CarrierOwl report for PORTZEN CONSTRUCTION INC. We will use this DOT profile to show authority, insurance, safety, contact consistency, and timestamped notes your team can save before sending a rate con.
Safety overview
PORTZEN CONSTRUCTION INC is a mid-size interstate motor carrier based in DUBUQUE, Iowa, operating 75 power units with 120 drivers. CarrierOwl is currently validating BASIC percentile display against the official FMCSA SMS portal; use the inspection, out-of-service, crash, authority, and insurance data below as the primary public safety indicators on this page. Their driver out-of-service rate of 12.5% runs above the national average of 5.51%. No crashes on file. FMCSA records show 16 inspections for this carrier.
Truck insurance quotes
Need insurance for this carrier?
Enter your email and we'll use this FMCSA profile to prepare truck insurance quotes.
BASIC scores
Under reviewCarrierOwl is validating BASIC percentile calculations against the official FMCSA SMS portal. Until that review is complete, use FMCSA directly for current BASIC percentiles and use the inspection, out-of-service, crash, authority, and insurance data on this page as supporting indicators.
BASIC percentile display is temporarily paused while we validate CarrierOwl's methodology against the official FMCSA SMS portal.
Out-of-service rates vs. national average
An out-of-service order means the driver or vehicle was pulled from operation during a roadside inspection.
For reference, the average driver OOS rate in Iowa is 7.2% and the average vehicle OOS rate is 29.9% across 25,829 carriers.
Company details
- Entity Type
- N/A
- Carrier Operation
- Interstate
- Operation Classification
- Authorized For Hire, Private (Property)
- Cargo Carried
- N
- Hazmat
- No
- Safety Rating Date
- N/A
Inspections
16
Total
57%
Driver %
Insurance on file
Liability (BIPD)
UNITED FIRE & CASUALTY CO. — eff. Dec 31, 2025
Cargo
Not on file
Surety Bond
Not on file
Trust Fund
Not on file
Crash history
0
Total Crashes
Similar carriers in Iowa
Other carriers in the same state with a similar fleet size.
RIVER BEND TRANSIT
RATHJE CONSTRUCTION CO
FORCE TRANSPORTATION INC
COMMUNICATION DATA LINK
QC PROPERTIES LLC
Frequently asked questions
Is PORTZEN CONSTRUCTION INC authorized to operate?
Yes. PORTZEN CONSTRUCTION INC (USDOT #459139) currently holds "AUTHORIZED" status with FMCSA. They're registered as an interstate carrier.
What is PORTZEN CONSTRUCTION INC's safety record?
PORTZEN CONSTRUCTION INC has 16 inspections on file and no crashes on record. They do not show a formal FMCSA safety rating in CarrierOwl's current data. CarrierOwl is validating BASIC percentile display against the official FMCSA SMS portal, so brokers should verify current BASIC percentiles directly with FMCSA before relying on them.
How many trucks does PORTZEN CONSTRUCTION INC operate?
PORTZEN CONSTRUCTION INC operates 75 power units with 120 drivers on file. That puts them in the mid-size range.
Does PORTZEN CONSTRUCTION INC transport hazardous materials?
No. PORTZEN CONSTRUCTION INC does not have a hazardous materials flag in the FMCSA database.
Where is PORTZEN CONSTRUCTION INC located?
PORTZEN CONSTRUCTION INC is based in DUBUQUE, Iowa at 205 STONE VALLEY DRIVE, 52003. Phone: (563) 557-7642.
What are PORTZEN CONSTRUCTION INC's out-of-service rates?
PORTZEN CONSTRUCTION INC's driver out-of-service rate is 12.5%, compared to the national average of 5.51%. Higher than average, which could point to driver compliance issues. Their vehicle out-of-service rate is 25.0% (national average: 20.72%).