Introductory technical guidance for civil engineers, structural engineers, highway engineers and other professional engineers and construction managers interested in load rating of bridges. Here is what is discussed: 1. INTRODUCTION, 2. PURPOSE, 3. LOAD RATING REQUIREMENTS, 4. QUALIFICATIONS AND RESPONSIBILITIES, 5. QUALITY CONTROL AND QUALITY ASSURANCE, 6. BRIDGE LOAD RATING PROCEDURE, 7. DATA COLLECTION,...