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Load Rating Classifications Guide
Understanding load ratings is crucial for selecting the right drainage solution. Explore our interactive guide to find the perfect match for your application.
Class A15
3,300 lbs
Areas accessible only to pedestrians and cyclists
Pedestrian areas
Residential driveways
Landscaped areas
Class B125
28,000 lbs
Sidewalks, pedestrian areas, and comparable areas
Residential driveways
Parking lots (passenger cars only)
Light commercial areas
Class C250
56,000 lbs
Light vehicle traffic areas and commercial zones
Commercial driveways
Parking lots
Light industrial areas
Class D400
90,000 lbs
Normal road traffic, including commercial areas
Roads and highways
Commercial loading docks
Industrial facilities
Class E600
135,000 lbs
High wheel loads and heavy industrial areas
Port facilities
Industrial loading docks
Heavy manufacturing areas
Class F900
200,000 lbs
Extremely heavy loads and special industrial applications
Aircraft pavements
Military installations
Special industrial facilities
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