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Federal Highway Policy & Guidance Center

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Bridges and Structures > Load and Resistance Factor Design

**Legislation**
Document	Date	Contact(s)
Moving Ahead for Progress in the 21st Century Act (MAP-21)	7/06/2012	The Office of Policy
United States Code		The Office of Policy

**Policy**
Document	Date	Contact(s)
Revisions to the Recording and Coding Guide for the Structure, Inventory and Appraisal of the Nation's Bridges (Coding Guide) - Item 31, Design Load, and Items 63 and 65, Method Used to Determine Operating and Inventory Ratings	2/02/2011	Vacant , Office of Bridges and Structures Samantha Lubkin 202-366-1575, Office of Bridges and Structures Shay Burrows 202-366-4675, Office of Bridges and Structures

**Guidance**
Document	Date	Contact(s)
Manual for Refined Analysis in Bridge Design and Evaluation	May, 2019	Derek Soden 720-413-7436, Office of Bridges and Structures
Report on Techniques for Bridge Strengthening	April, 2019	Derek Soden 720-413-7436, Office of Bridges and Structures
Use and Inspection of Adhesive Anchors in Federal-Aid Projects (T 5140.34)	1/16/2018	Derek Soden 720-413-7436, Office of Bridges and Structures
Load and Resistance Factor Design (LRFD) for Highway Bridge Superstructures	July, 2016	Lubin Gao 202-366-4604, Office of Bridges and Structures
LRFD Seismic Analysis and Design of Bridges Reference Manual	October, 2014	Jerry Shen 202-366-4619, Office of Bridges and Structures
Bridge Load Ratings for the National Bridge Inventory	10/30/2006	Shay Burrows 202-366-4675, Office of Bridges and Structures Vacant , Office of Bridges and Structures
Hoan Bridge Failure Investigation	7/10/2001	Dayi Wang 202-366-5604, Office of Bridges and Structures Derek Soden 720-413-7436, Office of Bridges and Structures
Load and Resistance Factor Design (LRFD)	6/28/2000	Lubin Gao 202-366-4604, Office of Bridges and Structures Derek Soden 720-413-7436, Office of Bridges and Structures

**Information**
Document	Date	Contact(s)
Evaluation of Steel Bridge Details for Susceptibility to Constraint-Induced Fracture	November 29, 2021	Dayi Wang 202-366-5604, Office of Bridges and Structures
Proposed LRFD Specifications for Noncomposite Steel Box-Section Members	July, 2019	Derek Soden 720-413-7436, Office of Bridges and Structures

* Category Definitions

FHWA Good Guidance Practices

The Policy and Guidance Center (PGC) provides a central location of policies, and guidance about the Federal-aid and Federal Lands Highway Programs, including legal documents, memos, directives, and guidance to support the Federal Highway Administration's mission and goals. Find out more in the User's Manual including Frequently Asked Questions

The term "guidance document" includes any statement of agency policy or interpretation concerning a statute, regulation, or technical matter within the jurisdiction of the agency that is intended to have general applicability and future effect, but which is not intended to have the force or effect of law in its own right and is not otherwise required by statute to satisfy the rulemaking procedures specified in the Administrative Procedure Act (section 553 or section 556 of title 5, United States Code). FHWA's policy on guidance is intended to increase the quality and transparency of agency guidance practices and the significant guidance documents produced through them.

It is FHWA's policy to ensure all guidance documents are lawful, reasonable, consistent with Administration policy, understandable, and readily accessible to the public. Guidance is not legally binding in its own right and will not be relied upon by the Department as a separate basis for affirmative enforcement action or other administrative penalty. Conformity with guidance documents (as distinct from existing statutes and regulations) is voluntary only, and nonconformity will not affect rights and obligations under existing statutes and regulations.

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Updated: 02/20/2020

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