Mill ST over Harrington River
PoorPosted for loadWashington County, Maine · .13 MI Sly of US 1 JCT · Structure no. 2478
- Built
- 1931
- 94 years old
- Condition
- Poor
- inspected October 2024
- Type
- Tee Beam
- Concrete
- Length
- 34 ft
- 1 main span
- Daily traffic
- 421
- 2016 count
- Owner
- State
- State Highway Agency
About this bridge
Mill ST over Harrington River is a concrete tee beam carrying Mill ST over Harrington River in Washington County, Maine. It was built in 1931, so it is 94 years old, older than the Maine average of 53.7 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.
It carries about 421 vehicles a day, roughly 5% of them trucks, projected to reach 674 by 2036. The structure is 34 ft (10.4 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 Mill ST over Harrington River built?
It was built in 1931, making it 94 years old in 2025.
What condition is Mill ST over Harrington River in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.
How much traffic does Mill ST over Harrington River carry?
About 421 vehicles per day (2016 count), of which roughly 5% are trucks.
How long is Mill ST over Harrington River?
The structure is 34 ft (10.4 m) long with a longest span of 32 ft (9.8 m) and a deck 30 ft wide.
Who owns Mill ST over Harrington River?
It is owned by the State Highway Agency.