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Bridge Transition

6m/10m Bridge Approach Transition

Please note, inline with the Austroads transition to MASH compliant systems, this transition may no longer approved for new installs in your jurisdiction, please consult your local Ingal Civil representative for further direction. For a fully compliant MASH TL3 guardrail transition, please refer to our Ingal® RBT system.
The most common types of bridge barriers are rigid barriers, comprised of reinforced concrete walls or metal rails on concrete parapets. If improperly treated, the exposed ends of these barriers can pose a significant hazard to errant vehicles. In most instances an approach guardrail is used to shield the exposed end and to prevent vehicles from impacting these rigid ends.
Guardrail is typically more flexible than the bridge barriers to which they are attached. A transition section is therefore required wherever there is an increase in stiffness when going from a semi-rigid W-Beam/Thriebeam barrier into a more rigid bridge barrier.
Refer the technical drawings tab for more information on these NCHRP-350 systems.


Manual Tab.
Data Sheet Tab.
Drawing Number Description Updated
MD.R132.H01.B NSW W-Beam Connection to Type F Barrier 01-07-2001
MD.R132.H02.B NSW Thriebeam Connection to Type F Barrier 01-07-2001