It is definitely a problem. We had a couple of culverts washed out till we poured a proper cement bulkhead.
Our bridge is built over a 12’ deep creek bed
And a 20’ span. We drove metal pipes under the span and welded beams.
After many years of the year around creek getting out of its banks, it has never washed out underneath the ends of the bridge.
I wonder if the answer might be a serious bulkhead with large rocks place upstream on each bank
Good luck and let us know how you did it.
BP
Our bridge is built over a 12’ deep creek bed
And a 20’ span. We drove metal pipes under the span and welded beams.
After many years of the year around creek getting out of its banks, it has never washed out underneath the ends of the bridge.
I wonder if the answer might be a serious bulkhead with large rocks place upstream on each bank
Good luck and let us know how you did it.
BP
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