Iowa 5 Axle Semi Truck Size and Weight Limits



Iowa: 5 Axle Semi Truck

semi truck tractor trailer

Gross Weight Limits

Ruleset Jurisdiction Permit Required? Estimated Gross *
US Federal Interstate and State Routes No 80,000 lbs

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


Axle Weight Limits

Ruleset: US Federal

Jurisdiction: Interstate and State Routes

Axle Group Tire Type Axle Spread Axle Weight Limit
Steer AxleSingle 20,000 lbs
Tandem DrivesDuals40 - 97 in 34,000 lbs
Trailer TandemDuals40 - 97 in 34,000 lbs
Trailer TandemDuals97 - 108 in 38,000 lbs
Trailer TandemDuals108 - 120 in 39,000 lbs
Trailer TandemDuals120 - 121 in 40,000 lbs

Dimension Restrictions

Interstate and State Routes
Dimension NameMinMax
Overall Height13' 6"
Overall LengthNo Limit
Overall Width8' 6"
Front OverhangOverhang only to 53' trailer - Autos and Boats up to 3'
Rear OverhangOverhang only to 53' trailer - Autos and Boats up to 4'
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!