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bridge rai on a timber bridge

State WI
Description Text

We have road project going past an existing timber bridge. 

1. Has MwRSF see a bridge rail like this crash tested?

2. Project staff are asking if they should nest the beam guard on the bridge.

  • Bridge Rails
Other Keywords none
Date March 1, 2016
Attachment Doc2.docx

Response We have observed similar post and beam bridge rails in use in the past, but we do not have knowledge of them being crash tested to any recent standard. 

Nesting the beam would be a positive step in terms of reducing the potential for rail rupture. However, it may not guarantee the crashworthiness of the barrier system. 
Date March 3, 2016

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