Colorado 5 Axle Semi Truck Size and Weight Limits



Colorado: 5 Axle Semi Truck

semi truck tractor trailer

Gross Weight Limits

Ruleset Jurisdication Permit Required? Estimated Gross *
US Federal Interstate and Designated No 80,000 lbs
CO Law Non-Interstate Routes No 85,000 lbs

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


Axle Weight Limits

Ruleset: US Federal

Jurisdication: Interstate and Designated

Axle Group Tire Type Axle Spread Axle Weight Limit
Steer AxleSingle 20,000 lbs
Tandem DrivesDuals40 - 96 in 36,000 lbs
Trailer TandemDuals40 - 96 in 36,000 lbs
Trailer TandemDuals96 - 108 in 38,000 lbs
Trailer TandemDuals108 - 120 in 39,000 lbs
Trailer TandemDuals120 - 121 in 40,000 lbs

Ruleset: CO Law

Jurisdication: Non-Interstate Routes

Axle Group Tire Type Axle Spread Axle Weight Limit
Steer AxleSingle 20,000 lbs
Tandem DrivesDuals40 - 96 in 40,000 lbs
Trailer TandemDuals40 - 96 in 40,000 lbs

Dimension Restrictions

Interstate and DesignatedDesignated Routes for 14'6” Height
Dimension NameMinMaxMinMax
Overall Height13' 0" 14' 6"
Overall LengthNo Limit
Overall Width8' 6"
Front Overhang4' 0"
Rear Overhang10' 0"
Semi-Trailer Length57' 4"
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!