Super loads - Montana

In the state of Montana, super loads are considered as any load that exceeds 17 feet high, 18 feet wide, 150 feet long, and/or with weights requiring Department Bridge Bureau approval.

The department may impose conditions on the issuance of a complete super-load permit, including, but not limited to, requiring the permittee to:

• Obtain approval from local governments,
• Obtain all necessary permits,
• Obtain approval from affected utilities,
• Obtain required insurance,
• Submit a travel plan and/or route survey,
• Provide notice to the traveling public of the movement of loads,
• Limit travel to specific days and/or hours,
• Refrain from traveling during inclement weather conditions, and
• Provide adequate traffic control personnel, equipment, and devices.

Loads exceeding 18’ wide up to 34’ wide, 17, high up to 24’ high, and/or 150’ long up to 200’ long, must obtain the appropriate department district administrator or designee approval of a completed super-load permit application. The department's decision on a complete super-load application for these dimensions must be issued within two working days of a properly completed application submittal.

Loads exceeding 34’ wide, 24’ high, and/or 200’ long must obtain the appropriate department district administrator or designee approval of the super-load permit application. The department's decision on a super-load application for these dimensions must be issued within five working days of a properly completed application submittal.

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