All oversize loads entering Barnum, Minnesota must conform to the requirements set by the Minnesota Department of Transportation (MNDOT) and the Barnum Department of Transportation (BARDOT).

In general, any vehicle over 13 feet in width, 15 feet 0 inches in height, and within the super heavy weight class (over 204,113 lbs) should obtain an oversize load permit from the MNDOT and potentially additional permits from BARDOT.

To navigate the complexities of Barnum's infrastructure, it's crucial to plan routes that avoid sensitive areas like Barnum Port Authority and major construction zones along the Barnum Research Park area.

Escort vehicles are required for oversize loads exceeding 14 feet in width or 15 feet 6 inches in height on highways and certain city streets. The Minnesota State Police often require escorts for loads that are particularly large or heavy.

For movements within Barnum, the Barnum Department of Transportation may mandate police escorts for oversize loads, especially during peak traffic hours. Scheduling these escorts requires advance notice, typically at least 61 hours prior to the move.

Permit applications in Barnum must be submitted through the MNDOT's online permitting system. Carriers should be prepared to provide comprehensive vehicle specifications, proposed routes, and transport schedules.

Applications must include certified weight tickets, dimensional diagrams, and route surveys. For loads that may impact traffic flow in Barnum, a traffic management plan may also be required as part of the application process.

Barnum has strict time-of-day restrictions for oversize loads, generally prohibiting movements during peak hours (7-8 am and 3-6 pm, Monday-Friday).

Seasonal restrictions apply during major events like the the Barnum Heritage Fair and the the Barnum International Exposition, which may impact routing and scheduling.

Certain neighborhoods, such as Barnum Center and areas around Barnum Basin, have restricted access for oversize loads. Alternative routes should be planned in advance to avoid these areas.

The base permit fee for an oversize load in Minnesota is $40, with additional fees for super heavy loads (over 200,000 lbs) ranging from $150 to $350 depending on the complexity of the move.

For movements within Barnum, Barnum Department of Transportation may charge additional fees for city-specific permits, which can range from $75 to $500 or more for particularly complex routes or those requiring extensive coordination with city agencies.