Development of a TL-3 Deep Beam Tubular Backup Bridge Rail, Executive Summary Report

摘要

The objective of this study is to investigate the performance of the ODOT Deep Beam bridge guardrail system per the NCHRP Report 350 TL-3 criteria and identify needed design changes. The final expected product is a design of the ODOT Deep Beam Bridge railing system with any needed retrofit that will bring the system into compliance with the NCHRP Report 350 performance criteria per TL-3. This design should utilize existing rail components with simple retrofit and minimal construction effort.