Main ST over Megunticook River
PoorKnox County, Maine · 0.1 MI S of JCT RTE 52 · Structure no. 2497
- Built
- 1931
- 94 years old
- Condition
- Poor
- inspected December 2024
- Type
- Slab
- Concrete
- Length
- 36 ft
- 2 main spans
- Daily traffic
- 11,473
- 2016 count
- Owner
- State
- State Highway Agency
About this bridge
Main ST over Megunticook River is a concrete slab carrying Main ST over Megunticook River in Knox 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.
It carries about 11,473 vehicles a day, roughly 5% of them trucks, projected to reach 16,062 by 2036. The structure is 36 ft (10.9 m) long and 69 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 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 | 4 Poor | Advanced section loss, deterioration, 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Main ST over Megunticook River built?
It was built in 1931, making it 94 years old in 2025.
What condition is Main ST over Megunticook 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 December 2024.
How much traffic does Main ST over Megunticook River carry?
About 11,473 vehicles per day (2016 count), of which roughly 5% are trucks.
How long is Main ST over Megunticook River?
The structure is 36 ft (10.9 m) long with a longest span of 15 ft (4.6 m) and a deck 69 ft wide.
Who owns Main ST over Megunticook River?
It is owned by the State Highway Agency.