• Read more about Penobscot Narrows Bridge & Observatory

• Read more about Wire Bridge, New Portland, Maine

• Read more about Sewall's Bridge, York, Maine

• Read more about Grist Mill Bridge, East Lebanon, Maine

• Read more about Bailey Island Bridge, Harpswell, Maine

This bridge is located on Route 24 about 14 miles south of the junction of Route US 1 and 24.

• Read more about Other Historic Bridges

As Maine's bridges become older and the state continues its effort to maintain a modern transportation system, a concerted effort is also made to preserve bridges of historical significance or unique design or construction.

The following bridges fall under this heading:

• Read more about Sunday River Bridge (Artist's Covered Bridge), Newry, Maine

• Read more about Robyville Bridge, Corinth, Maine

This bridge is the only completely shingled covered bridge in the state and was built in 1876.

• Read more about Porter-Parsonsfield Bridge, Porter, Maine

The Porter-Parsonsfield Bridge was built by the towns of Porter and Parsonsfield as a joint project over the Ossipee River in 1859.

• Read more about Lowes Bridge, Guilford-Sangerville, Maine