Retrofit of Existing Statewide Louisiana Safety Walk Bridge Barrier Railing Systems

The purpose of this research project is to evaluate the current strength and performance of the most common types of vintage concrete safety walk barriers currently in use by the Louisiana Department of Transportation and Development (LADOTD). These designs will be evaluated with respect to Manual Assessing Safety Hardware (MASH) TL-3 and 4 Specifications. For the common rail types that do not meet the requirements, retrofit bridge railing options will be engineered, designed and detailed. These retrofit options will be developed to improve the strength and crash performance of the barrier systems with respect to MASH TL-4. The retrofit options developed for this project will improve the crash performance of the bridge rail systems and maintain the safety walk areas. The retrofit options will be designed to be cost effective to fabricate and install. The research team understands the proposed retrofits developed for the safety rails selected for this project will consider the use (continued use) of the safety walk for maintenance activities or emergency vehicular stoppages.

Language

• English

Project

• Status: Active
• Funding: $400568
• Contract Numbers:

  16-1ST

  100099

• Sponsor Organizations:

  Federal Highway Administration

  5304 Flanders Drive, Suite A
  Baton Rouge, LA  United States  70808
• Managing Organizations:

  Louisiana Transportation Research Center

  4101 Gourrier Avenue
  Baton Rouge, LA  United States  70808

  Louisiana Department of Transportation

  P.O. Box 94245
  1201 Capitol Access Road
  Baton Rouge, LA  United States  70804-9245
• Project Managers:

  Cooper, Samuel

  Alaywan, Walid

• Performing Organizations:

  Texas A&M Transportation Institute

  Texas A&M University System
  3135 TAMU
  College Station, TX  United States  77843-3135
• Principal Investigators:

  Williams, William

• Start Date: 20160701
• Expected Completion Date: 20200228
• Actual Completion Date: 0

Subject/Index Terms

• TRT Terms: Bridge railings; Concrete structures; Crashworthiness; Performance; Retrofitting
• Identifier Terms: AASHTO Manual for Assessing Safety Hardware; Louisiana Department of Transportation and Development
• Geographic Terms: Louisiana
• Subject Areas: Bridges and other structures; Design; Highways; Maintenance and Preservation; Pedestrians and Bicyclists; Safety and Human Factors;

Filing Info

• Accession Number: 01601904
• Record Type: Research project
• Source Agency: Louisiana Transportation Research Center
• Contract Numbers: 16-1ST, 100099
• Files: RiP, STATEDOT
• Created Date: Jun 14 2016 10:47AM