Minnesota Freight Broker Bond$75,000 BMC-84 for Duluth & Twin Cities Brokers
Every Minnesota freight broker needs a $75,000 surety bond filed on FMCSA Form BMC-84, as required by 49 U.S.C. § 13906 and 49 CFR § 387.307. Minnesota doesn't add a second state-level bond on top of it — the requirement is entirely federal. What makes this state different isn't the bond math, it's that Minnesota brokers work two freight calendars that don't match: the Port of Duluth-Superior, which freezes shut every winter, and the Twin Cities rail interchange, which runs year-round. See our broker authority guide for the full FMCSA process.
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Official Federal (FMCSA) Requirements
"A broker shall provide a surety bond, trust fund agreement, or other financial security in the amount of $75,000 in a form, manner, and amount as the Secretary may prescribe."Federal Motor Carrier Safety Administration — 49 CFR § 387.307, implementing 49 U.S.C. § 13906 • 49 CFR § 387.307
Minnesota Is the Only State Spoke Where Freight Runs on a Freeze/Thaw Calendar
Every state requires the same $75,000 BMC-84. What's unusual about Minnesota is that the same broker can be arranging freight through two networks that don't share a calendar: a freshwater Great Lakes port that physically closes for ten weeks every winter, and a year-round, four-railroad rail interchange 150 miles south that never stops.
Duluth-Superior — Highest Tonnage on the Lakes
- 25.3 million short tons moved in the 2025 navigation season — the most of any port on the Great Lakes
- Taconite (iron ore) fell from 19.4 million tons (2024) to 16.5 million tons (2025), per the Duluth Seaway Port Authority
- Grain, coal, limestone, cement, and salt tonnage all trailed the five-season average in 2025
- The 2025 season ran roughly 301 days, bounded by the Soo Locks' open and close dates
Twin Cities — Four-Railroad Interchange
- BNSF's St. Paul Midway terminal anchors the metro's intermodal freight, interchanging with Canadian Pacific Kansas City and Union Pacific
- Gateway for grain from the upper Midwest, iron ore from the Mesabi Range, and potash imported from Canada
- Runs year-round — no lock-driven shutdown window the way lake-vessel freight does
- Feeds I-94 and I-35 truckload lanes east-west and north-south out of the metro
Producer Insight: The Pre-Freeze Rush Is a Real Booking Window
Grain elevators along the Iron Range and Red River Valley race to move harvested corn and soybeans to processors, rail ramps, and the Duluth docks before the Soo Locks close on January 15 — anything still waiting on a lake vessel after that date has to shift to rail or truck for ten weeks, or sit. That creates a genuine fall booking surge for brokers who work ag freight, distinct from the steady, non-seasonal volume a Twin Cities intermodal broker sees year-round. A broker quoting a Duluth-area shipper in November is working a different risk and timing profile than the same broker quoting a Twin Cities warehouse client in July — and a surety underwriting a book heavy in seasonal lake-freight brokerage will ask more about cash-flow timing across the winter gap than one underwriting a steady rail-intermodal book.
Ready to get bonded and start booking Duluth or Twin Cities freight? We file your BMC-84 directly with the FMCSA.
The Minnesota Freight Calendar: What Changes by Season
A broker booking loads out of a warm-water port state works one calendar all year. Minnesota brokers work against two — the lake-freight season bounded by the Soo Locks, and the harvest surge that races to beat the winter closure.
Minnesota Freight Seasonality — Duluth-Superior vs. Statewide Ag
How lake access and harvest timing shift brokerable freight through the year
| Period | Duluth-Superior Port Status | Statewide Freight Condition |
|---|---|---|
| Late March – August | Open; peak taconite, grain, and coal vessel loading | Steady truckload and Twin Cities intermodal volume |
| September – early January | Open; last-call vessel bookings ahead of closure | Harvest surge — corn/soybean freight to elevators, rail ramps, and docks |
| January 15 – March 25 | Closed to all vessel traffic (~10 weeks, 33 CFR § 207.440) | Ag and lake-freight volume shifts entirely to rail/truck; Twin Cities intermodal runs unaffected |
Twin Cities rail intermodal (BNSF/CPKC/UP interchange) operates year-round and is not affected by the Soo Locks closure — the seasonality is specific to Duluth-Superior lake-vessel freight and the harvest cycle feeding it.
Sources: Duluth Seaway Port Authority 2025 season report; U.S. Army Corps of Engineers Soo Locks schedule (33 CFR § 207.440); MnDOT harvest safety advisory.
The Filing Step Competitors Skip: Unified Carrier Registration Through MnDOT
Minnesota doesn't add a second surety bond, but it does have one filing step that's easy to miss: the Unified Carrier Registration (UCR), required for brokers under 49 U.S.C. § 14504a and administered in Minnesota by the MnDOT Office of Freight and Commercial Vehicle Operations.
What UCR Requires of Brokers
- Annual registration, separate from the BMC-84 bond and FMCSA authority
- Brokers pay the smallest fee bracket: $46 for the 2026 registration year — unchanged from 2025
- Filed online at ucr.gov, with Minnesota as the base-state administrator for MN-domiciled brokers
- Runs on a separate annual clock from your BMC-84 filing date
Why It Trips Up New Brokers
A new broker can have a perfectly filed BMC-84 and still get flagged if UCR lapses, because the two filings run on independent renewal clocks and neither system automatically reminds you about the other. Since UCR is federally mandated but state-administered, Minnesota brokers file through MnDOT specifically as their base-state UCR contact — even though the bond itself goes straight to the FMCSA. Track both renewal dates separately.
Why Minn. Stat. Ch. 221 Doesn't Reach Property Brokers
Minnesota Statutes Chapter 221 sets registration, insurance, and bonding rules for motor carriers operating in the state, including a state-level bond requirement for certain intrastate carriers under Minn. Stat. § 221.141. That chapter is aimed at carriers who physically operate vehicles — it does not create a separate license or bond category for property brokers, who arrange transportation but don't operate trucks themselves. If you're brokering freight that starts or ends in Minnesota, your $75,000 BMC-84 covers you whether the load crosses state lines or not; you don't layer a chapter 221 carrier bond on top of it.
What This Means in Practice
One bond, one renewal date, one filing to track. Minnesota brokers spend the administrative overhead they'd otherwise burn on a second state bond on the thing that actually matters here — tracking Duluth-Superior's shipping-season dates and the harvest calendar that drives freight volume ahead of it.
Minnesota Freight Broker Bond Cost
The $75,000 BMC-84 is priced as a percentage of face value — you never pay $75,000, only the annual premium. Pricing is driven by credit, not geography; see our freight broker bond cost by state guide and surety bond cost overview for broader context.
No Minnesota Add-On Cost
Because Minnesota doesn't require a state-level broker bond, there's no second premium to budget for. The only additional line item is the $46/year UCR fee — a flat federal filing cost, not a bond premium, and unaffected by credit score or how much of your book is seasonal.
Getting Broker Authority as a Minnesota-Based Broker
Because Minnesota has no separate state track, the entire authority process runs through the FMCSA. See our full guide to getting freight broker authority for more detail on each step.
Minnesota-Specific Steps
- 1
Register for UCR Through MnDOT
$46/year for brokers; separate from your BMC-84 renewal date
Minnesota Freight Broker Bond — Frequently Asked Questions
Questions specific to Minnesota-based brokers, Great Lakes seasonality, and UCR filing
Does Minnesota require its own broker bond on top of the federal BMC-84?
Why does the Soo Locks' 10-week winter closure matter to a broker who never touches a ship?
What happened to Duluth-Superior freight volume in the most recent shipping season?
How does the Twin Cities rail interchange affect brokering opportunities in Minnesota?
Who administers UCR for a Minnesota-based broker?
FMCSA Broker Registration
Official FMCSA portal for broker authority applications, BMC-84 filing status, and SAFER system lookups.
Duluth Seaway Port Authority
Official season tonnage statistics, cargo breakdowns, and shipping-season dates for Duluth-Superior.
Freight Broker Bond Resources
Freight Broker Bond Hub
Complete BMC-84 guide — requirements, costs, claims, 2026 changes
BMC-84 Deep Dive
FMCSA filing mechanics, bond vs trust fund, personal guarantees
Cost by State Guide
How pricing varies by credit tier, not by state
BMC-84 vs BMC-85
When the trust fund makes sense — and when it never does
How to Get Broker Authority
Step-by-step FMCSA authority process from MC# to ACTIVE status
BMC-84 Premium Calculator
Estimate your annual premium by credit score tier
Minnesota Contractor License Bond
Bonding requirements for Minnesota-licensed contractors
All content is researched from official state and federal sources (.gov) and verified before publication. BuySuretyBonds.com works with Treasury-certified, A-minimum rated surety carriers serving all 50 states.
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