Portage RD over Little Machias River
FairAroostook County, Maine · 2.2 MI NW of JCT RTE 227 · Structure no. 3555
- Built
- 1970
- 55 years old, rebuilt 1991
- Condition
- Fair
- inspected November 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 115 ft
- 1 main span
- Daily traffic
- 2,042
- 2016 count
- Owner
- State
- State Highway Agency
About this bridge
Portage RD over Little Machias River is a steel stringer/multi-beam or girder carrying Portage RD over Little Machias River in Aroostook County, Maine. It was built in 1970 and reconstructed in 1991, so it is 55 years old, older 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 2,042 vehicles a day, roughly 5% of them trucks, projected to reach 2,859 by 2036. The structure is 115 ft (35.1 m) long and 40 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 | 7 Good | Some minor problems. |
| 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 Portage RD over Little Machias River built?
It was built in 1970, making it 55 years old in 2025. It was reconstructed in 1991.
What condition is Portage RD over Little Machias River 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 November 2024.
How much traffic does Portage RD over Little Machias River carry?
About 2,042 vehicles per day (2016 count), of which roughly 5% are trucks.
How long is Portage RD over Little Machias River?
The structure is 115 ft (35.1 m) long with a longest span of 110 ft (33.5 m) and a deck 40 ft wide.
Who owns Portage RD over Little Machias River?
It is owned by the State Highway Agency.