National Steel Bridge Alliance


AASHTO/NSBA Collaboration

Steel Bridge Collaboration Documents Balloted at Recent AASHTO CBS Meeting

Three AASHTO/NSBA Steel Bridge Collaboration documents were successfully balloted at the recent AASHTO CBS meeting in Montgomery, Ala. These documents include updated versions of the G4.1 Steel Bridge Fabrication Quality System Guidelines, S10.1 Steel Bridge Erection Guide Specification, and G13.1 Guidelines for Steel Girder Bridge Analysis. Updated versions of these documents will be available for download later this year. 

Fall 2019 AASHTO/NSBA Steel Bridge Collaboration Meeting

The fall 2019 AASHTO/NSBA Steel Bridge Collaboration Meeting will take place October 22 - 24 in Savannah, Ga. at the Holiday Inn Historic Savannah. A meeting schedule, hotel information, and meeting agendas can be viewed here

About the AASHTO/NSBA Steel Bridge Collaboration

The AASHTO/NSBA Steel Bridge Collaboration is a joint effort between the American Association of State Highway and Transportation Officials (AASHTO) and the National Steel Bridge Alliance (NSBA) with representatives from state departments of transportation, the Federal Highway Administration, academia, and various industry groups related to steel bridge design, fabrication and inspection. The mission of the Collaboration is to provide a forum where professionals can work together to improve and achieve the quality and value of steel bridges through standardization of design, fabrication, and erection. 

Guide Specification "S" Documents

Guide Specification "S" documents are written in standard specification language. It is the intent of the Collaboration that these documents be adopted in whole as part of the contract documents to facilitate the achievement of standardization. It is understood that local statues or preferences may preclude full adoption. In those instances, it is the opinion of the Collaboration that as much of the document be referenced as possible.

A complete list of Guide Specification documents can be viewed here.

Guideline "G" Documents

Guideline "G" documents are written as references to be used during the design, fabrication, and construction processes. The documents are a consensus of best practices developed by industry. Referencing the document allows for a common language across all stakeholders, including engineers, owners, fabricators, and erectors.

A complete list of Guidelines documents can be viewed here.

Task Groups

  • TG 1 - Detailing
  • TG 2 - Fabrication and Repair
  • TG 4 - QA/QC
  • TG 8 - Coatings
  • TG 9 - Bearings
  • TG 10 - Erection
  • TG 11 - Design
  • TG 12 - Design for Constructability and Fabrication
  • TG 13 - Analysis of Steel Bridges
  • TG 14 - Field Repairs and Retrofits
  • TG 15 - Data Modeling for Interoperability
  • TG 16 - Orthotropic Deck Panels