1. Guide Specification for Strength Evaluation of Existing Steel and Concrete Bridges;AASHTO.,1989
2. Standard Specification for Highway Bridges;AASHTO.,1992
3. LFRD Bridge Design Specifications;AASHTO.,1994
4. Advice note – The assessment and strengthening of highway structures, Design Manual for Roads and Bridges;BA 16,1997
5. Bridge Analysis Simplified;Bakht,1985