US 1 over Pennamaquam River
FairWashington County, Maine · 1.5 MI E JCT RTE 214 · Structure no. 5326
- Built
- 1951
- 74 years old, rebuilt 2020
- Condition
- Fair
- inspected June 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 169 ft
- 3 main spans
- Daily traffic
- 2,093
- 2016 count
- Owner
- State
- State Highway Agency
About this bridge
US 1 over Pennamaquam River is a steel stringer/multi-beam or girder carrying US 1 over Pennamaquam River in Washington County, Maine. It was built in 1951 and reconstructed in 2020, so it is 74 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 2,093 vehicles a day, roughly 5% of them trucks, projected to reach 2,930 by 2036. The structure is 169 ft (51.5 m) long and 33 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 | 8 Very Good | No problems noted. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 1 over Pennamaquam River built?
It was built in 1951, making it 74 years old in 2025. It was reconstructed in 2020.
What condition is US 1 over Pennamaquam 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 June 2024.
How much traffic does US 1 over Pennamaquam River carry?
About 2,093 vehicles per day (2016 count), of which roughly 5% are trucks.
How long is US 1 over Pennamaquam River?
The structure is 169 ft (51.5 m) long with a longest span of 61 ft (18.7 m) and a deck 33 ft wide.
Who owns US 1 over Pennamaquam River?
It is owned by the State Highway Agency.