Island RD over Atlantic Ocean
GoodKnox County, Maine · Mainland-Spruce Head Is. · Structure no. 5578
- Built
- 2010
- 15 years old
- Condition
- Good
- inspected April 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 103 ft
- 1 main span
- Daily traffic
- 900
- 2016 count
- Owner
- State
- State Highway Agency
About this bridge
Island RD over Atlantic Ocean is a prestressed concrete tee beam carrying Island RD over Atlantic Ocean in Knox County, Maine. It was built in 2010, so it is 15 years old, younger than the Maine average of 53.7 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 900 vehicles a day, roughly 5% of them trucks, projected to reach 1,440 by 2036. The structure is 103 ft (31.4 m) long and 28 ft wide. If it were closed, the detour would be 100 mi (161 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Island RD over Atlantic Ocean built?
It was built in 2010, making it 15 years old in 2025.
What condition is Island RD over Atlantic Ocean in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2024.
How much traffic does Island RD over Atlantic Ocean carry?
About 900 vehicles per day (2016 count), of which roughly 5% are trucks.
How long is Island RD over Atlantic Ocean?
The structure is 103 ft (31.4 m) long with a longest span of 100 ft (30.5 m) and a deck 28 ft wide.
Who owns Island RD over Atlantic Ocean?
It is owned by the State Highway Agency.