The axle spacing and weight distribution are optimized for maximum efficiency and lower operating costs. Federal Bridge Formula B There are four basic federal weight limits: 1. 20, 000 lbs for single axles, 2. 34, 000 lbs for tandem axles, 3.
|Title||:||Legal Truck Loads and AASHTO Legal Loads for Posting|
|Publisher||:||Transportation Research Board - 2007-01-01|