Introductory technical guidance for civil engineers and others interested in bridge load rating procedures. Here is what is discussed:1. INTRODUCTION2. PURPOSE3. LOAD RATING REQUIREMENTS4. QUALIFICATIONS AND RESPONSIBILITIES5. QUALITY CONTROL AND QUALITY ASSURANCE6. BRIDGE LOAD RATING PROCEDURE7. DATA COLLECTION8. MATERIAL PROPERTIES9. LOAD EFFECTS-VEHICULAR BRIDGES10. LOAD EFFECTS-PEDESTRIAN BRIDGES11. COMPONENT CAPACITY12. LOAD RATING13. LOAD POSTING14. MATERIAL STRENGTH TESTING15. RATINGS FROM NONDESTRUCTIVE LOAD TESTING16. ASSIGNED LOAD RATINGS17. LOAD RATINGS BASED ON FIELD EVALUATION AND ENGINEERING JUDGMENT18. LOAD RATING DOCUMENTATION.