Missouri 5 Axle Semi Truck Size and Weight Limits



Missouri: 5 Axle Semi Truck

semi truck tractor trailer

Gross Weight Limits

Ruleset Jurisdiction Permit Required? Estimated Gross *
US Federal Interstate and Designated No 80,000 lbs
US Federal Non-Interstate No 80,000 lbs
MO Commercial Zones Commercial Zones No 112,000 lbs

* This is an estimate as it does not include bridge and tire compliance.


Axle Weight Limits

Ruleset: US Federal

Jurisdiction: Interstate and Designated

Axle Group Tire Type Axle Spread Axle Weight Limit
Steer AxleSingle 12,000 lbs
Tandem DrivesDuals40 - 96 in 34,000 lbs
Trailer TandemDuals40 - 96 in 34,000 lbs
Trailer TandemDuals96 - 108 in 38,000 lbs
Trailer TandemDuals108 - 120 in 39,000 lbs
Trailer TandemDuals120 - 121 in 40,000 lbs

Ruleset: US Federal

Jurisdiction: Non-Interstate

Axle Group Tire Type Axle Spread Axle Weight Limit
Steer AxleSingle 12,000 lbs
Tandem DrivesDuals40 - 96 in 36,000 lbs
Trailer TandemDuals40 - 96 in 36,000 lbs
Trailer TandemDuals96 - 108 in 40,000 lbs
Trailer TandemDuals108 - 120 in 41,000 lbs
Trailer TandemDuals120 - 121 in 42,000 lbs

Ruleset: MO Commercial Zones

Jurisdiction: Commercial Zones

Axle Group Tire Type Axle Spread Axle Weight Limit
Steer AxleSingle 22,400 lbs
Tandem DrivesDuals 44,800 lbs
Trailer TandemDuals 44,800 lbs

Dimension Restrictions

Interstate and DesignatedNon-DesignatedPink Areas on MO MapCommercial Zones
Dimension NameMinMaxMinMaxMinMaxMinMax
Overall Height14' 0" 13' 6" 15' 0"
Overall LengthNo Limit60' 0"
Overall Width8' 6"
Front Overhang10' 0"
Rear Overhang5' 0"
Semi-Trailer Length53' 0"
Semi-Trailer WheelbaseNone Specified

References


Disclaimer

These figures are interpreted from the legal codes freely available, please read our full disclaimer and inform us of any errors!