As of January 1, 2020, all new and replacement bridge rails installed on the National Highway System are required to conform to the requirements stipulated in the Manual for Assessing Safety Hardware, ...

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 ...

Keywords: Liquefaction. Hazards. Bridges. Liquefaction induced ground movement. Cascadia Subduction zone. New Madrid seismic zone. Return period. Abstract: This report presents the results of the ...

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, ...

Keywords: Load and resistance factor design (LRFD) framework. Seismic designs. Bridges. Seismic isolation systems. Polytetraflouroethylene (PTFE) spherical bearings. Elastomeric bearings. California.