Seminar Overview: This lecture will present a historical background on the evolution of the AASHTO LRFD Bridge Design Specifications (BDS) from earlier Allowable Stress Design (ASD) and Load Factor ...

Since the implementation of the bridge rail guidance provided in AASHTO LRFD BDS Section 13 (AASHTO 2017), the landscape of roadside safety hardware testing, evaluation, and design has changed ...

The California Department of Transportation (Caltrans) is one of the largest state departments of transportation in the nation, managing more than 50,000 miles of California’s highways, or about ...

Bentley’s BrIM suite includes RM Bridge, LEAP Bridge Enterprise, LARS Bridge, and more. About AASHTO and AASHTOWare AASHTO is a nonprofit, nonpartisan association representing highway and ...

Use modern methods to analyze and design bridges. Upgrade your technical skills to meet the specialized needs of the structural bridge design industry. Apply advanced techniques to evaluate the design ...

HENDERSON, Ky. (WEHT) – The Twin Bridges are confirmed by the Kentucky Transportation Cabinet (KYTC) to be made from T-1 steel. The technical name of this type of steel is AASHTO M244 Grade 100 steel, ...

This review considered the state of the practice in the testing, design, and evaluation procedures for bridge rail systems. For this review, the current AASHTO LRFD BDS (AASHTO 2020a) was considered ...