Washington County, Maine
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Maine Department of Transportation
With increased travel on State Route 1, the Maine
Department of Transportation needed to install a culvert
below the roadway at Mill Cove to prevent overtopping.
The culvert carries tidal water and is exposed to constant
Because of the corrosive saltwater environment, an
Aluminum Structural Plate culvert was selected for the
waterway. Clean, crushed and washed free-draining
aggregate that was used during installation increased
durability of the structure.
The culvert was inspected in 1973, 1992, 1996, 1997,
2000 and 2011 by MEDOT. Most recently, it was rated a 7 on a scale
of 0-9 and remains in good condition.
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