Quest Liner Inc (DOT# 1609038) – FMCSA Carrier Profile
doing business as QUEST LINER
DOT# 1609038MC# 595010● Active
Updated: 2026-03-09
Quest Liner Inc is a registered motor carrier with the FMCSA under USDOT number 1609038. The company operates from Dubuque, IA and maintains an active operating status with 344 power units and 239 drivers on record.
Safety Rating
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Company Information
Address501 Bell St, Dubuque, IA, 52001
Phone(563) 584-2670
Entity TypeAuthorized For Hire
OperationInterstate
Power Units344
Drivers239
MCS-150 FiledOctober 21, 2025
Annual Mileage22,006,141 mi (2024)
Inspection Summary
All-time Inspections
All-time494
Total
70
OOS
4
Driver OOS
66
Vehicle OOS
The out-of-service (OOS) rate represents the percentage of inspections that resulted in the carrier being placed out of service.
Crash History
Crash Records
All-time19
Total
3
Fatal
8
Injuries
0
Tow-Away
BASICS Safety Scores
BASICS Scores
Higher = more risk · FMCSA Behavior Analysis and Safety Improvement Categories1.2
Unsafe Driving
0.1
HOS Compliance
0.1
Driver Fitness
0.0
Controlled Substances
2.6
Vehicle Maintenance
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Frequently Asked Questions
What is USDOT Number 1609038?
USDOT number 1609038 is assigned to Quest Liner Inc, an active motor carrier registered with the FMCSA, based in Dubuque, IA.
How many inspections has Quest Liner Inc had?
Quest Liner Inc has recorded 494 total inspections with 70 out-of-service orders, representing an OOS rate of 14.17%.
Where is Quest Liner Inc located?
Quest Liner Inc is headquartered at 501 Bell St, Dubuque, IA 52001.
Data sourced from the FMCSA Open Data Portal. Updated monthly. DOT# 1609038 · Last updated: 2026-03-09. View official FMCSA record →