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FMCSA ACTIVE CARRIERUSDOT #3641388MC-1251427HAZMAT REGISTERED

SEMPER FI EXCAVATION-LLC

Physical Business Address
3020 E Superior St, Duluth, MN 55812
Corporate Structure & Officers
Limited Liability Company
Principal: Nathan Flanagan • Grete Flanagan
Registered Carrier Phone
(218) 343-7231
USDOT Registration & Authority Class
Intrastate Non-Hazmat • PRIVATE PROPERTY
FMCSA Added Date: 2021-05-23
FMCSA Compliance Notice — BMC-91X & MCS-150 Schedule

Federal law requires active proof of continuous auto liability ($750k-$1M) on file to avoid DOT Out-of-Service orders or authority revocation.

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Fleet Equipment, Drivers & Mileage Utilization

3
Total Power Units
1
Total Registered Drivers
1
CDL Drivers
8k
Annual Miles (2023)
Owned Road Tractors:0 units
Owned Semi-Trailers:5 trailers
Avg Utilization / Truck:2,667 mi/yr

Commercial Truck Insurance & Federal Filing Requirements

2026 Underwriting Benchmark
Est. Cost Per Truck / Yr
$7,800 – $12,900
Est. Total Fleet Policy (3 Units)
$23,400 – $38,700
Minimum Federal Liability
$1,000,000 – $5,000,000
Mandatory FMCSA Filings & EndorsementsBMC-91X Liability ($1M–$5M Hazmat) • MCS-90 Hazmat Endorsement

MCS-150 Biennial Schedule & FMCSA Safety Record

Mandatory MCS-150 Filing Month (49 CFR § 390.19)
August • Even Years (2026, 2028)
Last MCS-150 Filed: 2026-05-12 (Active / Current)
FMCSA Safety Rating & Review Status
Unrated / Active
Prior Authority Revocation: No

Frequently Asked Questions About SEMPER FI EXCAVATION-LLC

Is SEMPER FI EXCAVATION-LLC (USDOT #3641388) currently authorized and active?

According to U.S. DOT / FMCSA Company Census records, SEMPER FI EXCAVATION-LLC (USDOT #3641388, MC-1251427) holds an ACTIVE registration in Duluth, Minnesota, classified under Intrastate Non-Hazmat (PRIVATE PROPERTY).

How many trucks and drivers does SEMPER FI EXCAVATION-LLC operate?

SEMPER FI EXCAVATION-LLC reports 3 commercial power unit(s) and 1 driver(s) (including 1 CDL drivers) on its FMCSA MCS-150 census filing.

What commercial truck insurance filings are required for USDOT #3641388?

Based on its Intrastate Non-Hazmat operations hauling Hazardous Materials (Hazmat), federal regulations generally require $1,000,000 – $5,000,000 minimum primary liability (BMC-91X Liability ($1M–$5M Hazmat) • MCS-90 Hazmat Endorsement). Estimated market insurance benchmark for a 3-unit fleet in MN is $7,800–$12,900 per power unit annually.

When is SEMPER FI EXCAVATION-LLC's mandatory FMCSA MCS-150 biennial update due?

Under 49 CFR § 390.19, based on the last two digits of USDOT #3641388, SEMPER FI EXCAVATION-LLC must file its MCS-150 biennial update every August in Even Years (2026, 2028). Last recorded MCS-150 date: 2026-05-12.

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