Spring Field Review Site 04A 2006AsheNo Location
~ Such low water bridges are necessary because often it is too costly to raise the bridge to above 100 year flood levels.
 ~ Could the Department use large boulders more often to protect end slopes? Yes, however:
 ~~ Large stones have large voids allowing flow.
 ~~ Filling in with smaller stones makes them subject to migrating.
Cored slab bridge with several 50 ft. spans and end bents on drilled shafts. Bridge completed approximately 5 years ago. Sheet piling was not installed behind the end bent drilled piers, and there is very low under clearance for inspection.
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