Mainline Construction Inc
Operating legally with a clean record
No problems found in FMCSA authority, insurance, inspection or crash data.
How we scored it · 5 factors
Composite of public FMCSA authority, insurance, inspection and crash records weighted against the national fleet. Decision support, not an official FMCSA safety rating.
Safety
FMCSA inspections & crashes · 24 mo · AS OF OCT 7, 2026- Total inspections
- 3
- Driver inspections
- 3
- Vehicle inspections
- 1
- People injured
- 0
- Fatalities
- 0
- FMCSA rating
- Not rated
Enforcement
FMCSA closed casesClosed enforcement cases — case numbers, violation codes and the amount settled — are available after you create a free account.
Equipment
Operations & cargo
Identity & federal record
FMCSA census · MCS-150- USDOT
- 4159700
- MC / docket
- MC-1802578
- Legal name
- Mainline Construction Inc
- DBA
- —
- Entity type
- Carrier
- Operation
- Intrastate (Non-Hazmat)
- First registered
- Nov 21, 2023
- Last MCS-150
- Oct 1, 2026
- Safety rating
- Not rated
- Drivers (CDL)
- 3 (3)
- Hazmat
- No
- Business type
- —
Fraud & network signals
For review, not a verdict.
Frequently asked
What is Mainline Construction Inc's USDOT number?
Mainline Construction Inc's USDOT number is 4159700 and its docket number is MC1802578.
Is Mainline Construction Inc authorized to operate?
Yes. FMCSA shows active carrier operating authority.
What is Mainline Construction Inc's safety record?
Over the last 24 months: 3 roadside inspections and 0.0% driver out-of-service rate, and 2 reportable crashes (0 fatal). Not rated by FMCSA.
How big is Mainline Construction Inc's fleet?
4 power units and 3 drivers per its MCS-150 filed Oct 1, 2026.
What insurance does Mainline Construction Inc carry?
$1,000,000 in BIPD liability coverage is on file with United Fire & Casualty Co..
Where is Mainline Construction Inc located?
Mainline Construction Inc is located at 6333 NW Beaver Drive, Johnston, IA, 50131. Phone: (515) 491-5819.
Similar carriers in Iowa
All Iowa carriers →Source: FMCSA public records via the U.S. DOT Open Data Portal. Carrier Search presents the federal record and computed signals for decision support only. It is not an FMCSA safety rating and not a recommendation to use or avoid any carrier. Verify authority and insurance before tendering.