HL-93 is a type of theoretical vehicular loading proposed by AASHTO in 1993. It is used as the design loading for highway structures in USA and other countries
STRUCTURE magazine AASHTO Vehicle Live Loading
AASHTO LRFD Live Load
How does an engineer know how much weight a bridge can withstand? - Quora
HL-93 AASHTO Vehicular Live Loading - Truck - Tandem - Design Lane Load, PDF, Tire
HL-93 AASHTO Vehicular Live Loading, Truck, Tandem
HL-93 AASHTO Vehicular Live Loading - Truck - Tandem - Design Lane Load, PDF, Lane
Looking to Load and Resistance Factor Rating
HL-93 AASHTO Vehicular Live Loading - Truck - Tandem - Design Lane Load, PDF, Tire
PDF) A COMPARATIVE STUDY OF LIVE LOADS FOR A BRIDGE DECK WITH IRC AND AASHTO CODES
PDF] Dynamic response of a multi-span, orthotropic bridge deck under moving truck loading with tandem axles
HL-93 AASHTO Vehicular Live Loading, Truck, Tandem