Big Iron Construction LLC (USDOT 3654121)
2 issues to review.
- DOT number
- USDOT 3654121
- Operating authority
- Federal operating authority is not applicable: this is an intrastate operation, with no federal docket required. The federal bulk file showed this carrier active as of 2026-09-01. We could not confirm that live just now.
- Insurance on file
- No active liability (BIPD) insurance on file with FMCSA.
- Safety rating
- No published safety rating
- Fleet on file
- 8 power units, 8 drivers
- Operation type
- Intrastate Non-Hazmat
- Physical address
- 2584 COUNTY ROAD 170, MARENGO, OH 43334-9772
- MCS-150 last filed
- 2026-02
Findings
- Crash rate above federal benchmark (Critical): Recordable crash rate 4.00 per million miles (last 24 months) — above FMCSA’s 1.5 compliance-review threshold (49 CFR 385). National average 0.96.
- Driver OOS rate above national average (Caution): 20% driver OOS over 10 inspections vs. national average 6.32%. Typically reflects HOS or CDL-compliance issues
Frequently asked questions
What carrier is DOT 3654121?
DOT 3654121 (USDOT 3654121) is Big Iron Construction LLC, an intrastate non-hazmat motor carrier.
What is Big Iron Construction LLC's USDOT number?
Big Iron Construction LLC's USDOT number is 3654121. No MC docket number is on file.
Is Big Iron Construction LLC currently authorized to operate?
Federal operating authority is not applicable: this is an intrastate operation, with no federal docket required. The federal bulk file showed this carrier active as of 2026-09-01. We could not confirm that live just now. Source: FMCSA registration and licensing records.
Does Big Iron Construction LLC have insurance on file with FMCSA?
No active liability (BIPD) insurance on file with FMCSA.
What is Big Iron Construction LLC's safety record?
In the last 24 months, FMCSA records show 3 of 4 vehicle inspections ending out-of-service for Big Iron Construction LLC, too few inspections for a stable rate. FMCSA records also show 2 recordable crashes in the same window.
What is Big Iron Construction LLC's CSA score?
FMCSA does not publish a single CSA score for carriers. Big Iron Construction LLC's public safety data includes its roadside inspection out-of-service rates and crash record, listed on this page.
What is Big Iron Construction LLC's FMCSA safety rating?
Big Iron Construction LLC 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.
View the full fleetfax report for Big Iron Construction LLC
Run a SAFER company snapshot lookup for any carrier
Reconstructed from cached and fleetfax-ingested FMCSA public records, so it may be out of date. Records loaded Sep 1, 2026. Verify current status on FMCSA SAFER. fleetfax surfaces the facts; brokers make the judgment. FMCSA status