Harpswell Islands over Tidal Passage
FairCumberland County, Maine · Gurnet Strait · Structure no. 3105
- Built
- 1982
- 43 years old
- Condition
- Fair
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 135 ft
- 1 main span
- Daily traffic
- 7,038
- 2016 count
- Owner
- State
- State Highway Agency
About this bridge
Harpswell Islands over Tidal Passage is a steel stringer/multi-beam or girder carrying Harpswell Islands over Tidal Passage in Cumberland County, Maine. It was built in 1982, so it is 43 years old, younger than the Maine average of 53.7 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 7,038 vehicles a day, roughly 5% of them trucks, projected to reach 9,853 by 2036. The structure is 135 ft (41.3 m) long and 42 ft wide. If it were closed, the detour would be 100 mi (161 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Harpswell Islands over Tidal Passage built?
It was built in 1982, making it 43 years old in 2025.
What condition is Harpswell Islands over Tidal Passage in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2024.
How much traffic does Harpswell Islands over Tidal Passage carry?
About 7,038 vehicles per day (2016 count), of which roughly 5% are trucks.
How long is Harpswell Islands over Tidal Passage?
The structure is 135 ft (41.3 m) long with a longest span of 130 ft (39.6 m) and a deck 42 ft wide.
Who owns Harpswell Islands over Tidal Passage?
It is owned by the State Highway Agency.