Large red steel box on a multi axle trailer below lattice boom cranes on a wet paved yard

Duluth, Minnesota

Heavy Haul in Duluth

Wind energy components, heavy lift and project cargo to and from the Clure Public Marine Terminal, trucked under MnDOT permits with route surveys and escorts planned by our own team.

This page is general information only, not legal advice and not a permit. Rules change often and each state's permit and official rules are the final word. Always confirm limits, escorts, routes and travel times with the state permit office before moving a load. Reliable Transport LLC is not responsible for decisions made using this information.

Great Lakes heavy haul

From the harbor to the project site

Reliable Transport LLC runs heavy haul and superload moves across the USA and Canada from our home base in Dayton, Ohio. For a Duluth load, our in house team files the MnDOT permit and any local permit, plans the route and books the escorts, and runs the physical route survey Minnesota asks for on tall, wide and long loads.

Hauling through other states? Use our permit map and route planner

Open the route planner

At the port

The Clure Public Marine Terminal

Terminal facts come from the Duluth Seaway Port Authority and Duluth Cargo Connect, each confirmed by a second source.

  1. Clure Public Marine Terminal

    The Port Authority's breakbulk and general cargo terminal handles heavy lift cargo and wind energy components, with six heavy lift berths. (Duluth Seaway Port Authority, port operations and facilities, Duluth Cargo Connect, Clure Public Marine Terminal)

  2. Cranes

    Twin 90 ton gantry cranes and a 300 ton mobile crane work the terminal. (Duluth Cargo Connect, Clure Public Marine Terminal, Duluth Cargo Connect, cargo handling)

  3. Highways

    The docks have direct access to I 35. (Duluth Seaway Port Authority, port operations and facilities, Duluth Cargo Connect, Clure Public Marine Terminal)

Sources: Duluth Seaway Port Authority, port operations and facilities; Duluth Cargo Connect, Clure Public Marine Terminal; Duluth Cargo Connect, cargo handling.

Minnesota rules

Duluth oversize rules at a glance

The route survey rule first, then the Minnesota rules every Duluth load runs under.

Minnesota

Official sources linked
WhereRestriction
Route surveyOver 16'H, 20'W or 175'L, a physical route survey before the permit. (MnDOT route survey page, MnDOT route survey form)
SuperloadOver 16'W, 16'H, 150'L or 250,000 lbs. (MnDOT guide to transporting superloads, MnDOT Commercial Vehicle Resource Book 2026)
Legal limitsWithout a permit, a load in Minnesota can be up to 8'6"W and 13'6"H. (Minn. Stat. 169.80, Minn. Stat. 169.81)
EscortsOver 15'W or 110'L, one rear escort on divided roads, front and rear on undivided roads. (MnDOT escort requirements, Minn. Stat. 169.812)
Police escortA peace officer leads when the load crosses the centerline on an undivided road. (MnDOT escort requirements, Minn. Stat. 169.812)
Metro rush hoursOver 14'6"W or 110'L, none in weekday rush hours in the Twin Cities and Duluth metro. (MnDOT OSOW General Provisions, MnDOT Commercial Vehicle Resource Book 2026)
Summer weekendsOver 12'6"W or 110'L, none 4 to 8 p.m. on summer Fridays and Sundays. (MnDOT OSOW General Provisions, MnDOT 2026 holiday restrictions)
HolidaysOver 12'6"W or 110'L, none from 2 p.m. the day before to 2 a.m. the day after. (MnDOT OSOW General Provisions, MnDOT Commercial Vehicle Resource Book 2026)

Rules change often. We checked these on October 2, 2026 against the official sources linked in each row, and each one against a second source. Rules we could not confirm twice are left off this page. Our permitting team confirms the current rules for every move.

Questions

Duluth heavy haul questions

When does a Minnesota load need a route survey?

Over 16'H, 20'W or 175'L. The physical route survey is done before MnDOT issues the permit.

What can the Clure Public Marine Terminal handle?

Heavy lift cargo and wind energy components, with six heavy lift berths, twin 90 ton gantry cranes and a 300 ton mobile crane.

When can wide loads move in the Duluth metro?

Over 14'6"W or 110'L, not in weekday rush hours in the Duluth and Twin Cities metro.

How heavy a load can you haul?

Our superload service handles loads up to 300,000 lbs, with permits, routing and escorts by our own team.

Hauling through other states? Use our permit map and route planner

Open the route planner
USDOT 3906954MC 1441035
Live GPSand a dash cam on every truck
In housepermitting, routing, escorts, utility bucket trucks, maintenance and drivers
USA and Canadawith bonded and non bonded shipments across the Canadian border

Great Lakes heavy haul

Ready to move it?

Send the load dimensions, weight, pickup and delivery points. Our in house team prices the permits, route and escorts and gets back to you fast.

This page is general information only, not legal advice and not a permit. Rules change often and each state's permit and official rules are the final word. Always confirm limits, escorts, routes and travel times with the state permit office before moving a load. Reliable Transport LLC is not responsible for decisions made using this information.