AUGUSTA — Maine Department of Transportation has unveiled its three-year transportation infrastructure work plan, which includes bridge and road projects in Waldo County.

DOT annually updates and releases a three-year plan for road, bridge and other transportation upgrades and maintenance projects. The office of Sen. Chip Curry, D-Belfast, compiled details of the plan for Waldo County municipalities.

According to DOT, the work plan covers approximately $3.17 billion worth of construction and maintenance, which includes 2,316 work items. The three-year plan estimates MDOT will invest in 115 miles of highway construction and rehabilitation; 1,057 miles of pavement preservation; 2,162 miles of light capital paving for roads and highways; 353 safety and spot improvements; and 235 bridge projects.

The following breakdown shows the planned capital and maintenance work for communities in Senate District 11 (Waldo County) in 2022:

Bridge and structural maintenance

In Frankfort, replacing joints on Upper Bridge (#2883), which carries Route 1A over North Branch Marsh River, 50 feet west of Mill Lane.

Highway paving/rehabilitation

In Searsport, highway rehabilitation beginning at Savage Road and extending northeast 1.94 miles on Route 1.

In Winterport, highway rehabilitation and pavement beginning at Mountain View Drive and extending northeast 1.18 miles on route 1A.

Large culvert improvements

In Belmont and Searsmont, replacing culverts (#132466, #132444) on Howard Road and Lincolnville Road in Belmont. Also replacing culvert (#214744) on Route 173 in Searsmont.

In Burnham, ditching and replacing culverts in various spots on Troy Road in Burnham, beginning at the intersection of Route 100 and Troy Road and extending east 6.1 miles to the Burnham-Troy town line.

In Frankfort and Searsport, ditching on Mount Ephraim Road and North Searsport Road. beginning at Route 1 and extending north 11.46 miles to Loggin Road.

In Knox, replacing culvert (#153908) on Webb Road, located 50 feet east of Old County Road. Replacing culvert (#131798) on Webb Road, located 0.37 of a mile east of Route 137.

In Knox, Thorndike, Troy and Unity, ditching and replacing culverts in various spots on Route 220, beginning at the Montville-Knox town line and extending north 16.43 miles to the Troy-Detroit town line.

In Linconville, ditching and replacing culverts in various spots on Route 173 in Lincolnville, beginning at the intersection of routes 1 and 173 and extending northwest 8.1 miles to the Lincolnville-Searsmont town line.

In Morrill and Waldo, replacing culverts in various spots on Poors Mill Road, beginning at Route 131 and extending southeast 1.9 miles to the Waldo-Belfast town line.

In Searsmont, ditching on Route 173 from Searsmont to Liberty, beginning at the intersection of routes 131 and 173 and extending northwest 6.35 miles to Main Street in Liberty.

In Stockton Springs, large culvert replacement (#46702) located 0.03 of a mile north of the Searsport town line.

In Swanville and Waldo, ditching on Route 131, beginning at Evans Corner and extending northeast 4.73 miles then southeast 2.37 miles to Swan Lake Avenue.

In Thorndike and Unity, ditching on Route 139, beginning at the intersection of East Thorndike Road and Route 139 in Thorndike and extending northwest 5.15 miles to Depot Street in Unity.

In Troy, ditching and replacing culverts in various spots on Route 202 in Troy, beginning at South Mitchell Road and extending east 1.25 miles to Rogers Road.

In Winterport, ditching and replacing culverts in various spots on Cove Road and Back Winterport Road in Winterport, beginning at the Hampden-Winterport town line and extending south 1.1 miles then east 1.29 miles to Route 1A.

Highway safety and spot improvements

In Brooks, highway safety improvements through a large culvert replacement (#51171) located 1.09 miles north of Morgan Pitch Road on Route 7.

In Frankfort, highway safety improvements beginning 0.01 of a mile south of Mount Waldo Road and extending north 0.42 mile, including large culvert (#94455) on Route 1A.

In Swanville, highway safety improvements located 1.10 miles north of Town House Road.

Light capital paving

In Belmont and Searsmont, paving beginning at Route 173 and extending northeast 2.69 miles to Augusta Road on Lincolnville Road.

In Knox, Liberty and Montville, highway paving beginning at Route 105 and extending north 18.18 miles to Route 137 on Route 220.

In Lincolnville and Searsmont, paving beginning at Route 52 and extending north 6.84 miles to Route 131.

In Northport, highway paving beginning 0.23 of a mile north of Pound Hill Road and extending north 2.70 miles on Route 1.

Policy planning and research

In Lincolnville, policy, planning research into alternatives to the current parking lot will be explored. The current lot is located 0.07 of a mile east of Route 1 for the Lincolnville Ferry Services.

In Searsport, funding for further study, scoping, planning and design of port improvements to support offshore wind development through public-private partnerships to facilitate sustainable renewable energy and jobs for Maine.

The entire DOT three-year work plan can be viewed at maine.gov/mdot/projects/workplan/.