The town of Milbridge is located on the northeast coast of Maine, approximately 20 miles northeast of Bar Harbor, 150 miles northeast of Portland and 50 miles southeast of Bangor.

Erosion along a section of the Narraguagus River threatened a portion of U.S. Route 1A. Failure of the heavily traveled highway would result in a five mile detour for commercial and private vehicles.

Streambank stabilization, which was constructed in 1994, consists of stone slope protection over layers of sand, compacted gravel fill and stone mean high water elevation, providing protection to the top of the road.