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Missouri Oversize Permits

Below is some important oversize permit regulation information for the state of Missouri.

In Missouri, you need an oversize permit if your vehicle exceeds 8’6″ wide, 14’0″ high, 65′ long or 80,000 pounds. 

If you need to apply for a Missouri oversize permit, call (888) 737-6483 now or contact us. 

LEGAL DIMENSIONS & WEIGHTS​
Legal Width:8'6
Legal Height:
  • 13'6
  • 14’0 is legal on designated roadways
Legal Length:65'0
Legal Overhang Front:3'0
Legal Overhang Rear:4'0
Legal Trailer Length:53’0 and/or load
Legal Weight Gross:80,000 lbs.
Legal Weight Single:
  • 20,000 lbs. on designated roadways
  • 22,000 lbs. on secondary roads
Legal Weight Tandem:
  • 34,000 lbs. on designated roadways
  • 36,000 lbs. on secondary roads
Legal Weight Tridem:Depends on axle spacing.
Legal Weight Doubles:34,000 lbs.
Legal Weight Triples:42,000 lbs.
Load Exemptions:
  • Farm products (hay) and equipment with dual tires in designated areas.
  • Emergency response vehicles loaded with
    salt, sand, chemicals or a combination
    thereof, with or without a plow or blade attached in front, and being used for the purpose of spreading the material on state highways
    that are or may become slick or icy.
  • Military vehicles transporting marked military equipment or material.
PERMIT FEES​
Permit Fee/Legal Weight:$15.00
Permit Fee/Overweight:
  • Greater than 80,000 lbs.
    • $15.00 + $20.00 per 10,000 lbs. over
      80,000 lbs.
  • Greater than 160,000 lbs.
    • $15.00 + $20.00 per 10,000 lbs. over
      80,000 lbs. + $425 bridge & roadway
      analysis fee
      • $625.00 added for moves 0–50
        miles
      • $625.00 added for moves 51–200 miles
      • $925.00 added for moves over 200 miles
      • $450.00 added for amendments
        to dimensions or weights when a
        new bridge analysis is required
Superload Fees:$15.00 + $250.00 feasibility fee
Annual Fees:
  • Emergency Overweight permit (round trip):
    • $624.00 (prorated quarterly)
  • Oversize permit-single commodity:
    • $128.00 (prorated quarterly)
  • Oversize permit-multiple commodity:
    • $400.00 (prorated quarterly)
  • Overweight Well Drillers or Concrete Pump
    Truck:
    • $300 .00 (prorated quarterly)
  • 30 day Blanket permit:
    • $300.00
  • Cranes (up to 4 axles)
    • $300.00 yearly
Additional Fees:
  • Multi-Stop oversize permit:
      • $25.00 (farm implements only)
    • Crossing permit:
      • $250.00
    • Noncommercial building movement (in
      excess of routine dimensions):
      • $265.00
    • Single Trip Commercial Zone Bridge
      Analysis:
      • $265.00
AGENCY GENERAL INFO​
Phone:866-831-6277 or 573-751-7100
Fax:573-751-7408
Email:[email protected]
Website:

https://www.modot.org/mcs

Hours of Operation:7:30 am - 4:30 pm Central
Permit Valid For: 7 Days

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