250' North West & South East from the bridge. 500' upstream & downstream on Appoquinimink River.
To protect the scour critical bridge from the effects of scour which improves the safety and serviceability of the structure. This is compliance with FHWA efforts to reduce the number of scour critical bridges in the inventory.
Stream work shall be performed upstream and downstream of the bridge to protect the bridge foundation, stabilize the channel and the stream slopes.
Design work to be completed no later than Winter 2015.
Construction work to be completed Fall 2016.