Spring Field Review Details

Structures Bridge Sites

Title	County	Location

Spring Field Review Site 04A 2006	Ashe	No 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.