Route 1 over Montsweag Brook
FairLincoln County, Maine · On Townline · Structure no. 2577
- Built
- 1931
- 94 years old, rebuilt 1950
- Condition
- Fair
- inspected July 2024
- Type
- Slab
- Concrete
- Length
- 23 ft
- 1 main span
- Daily traffic
- 16,559
- 2016 count
- Owner
- State
- State Highway Agency
About this bridge
Route 1 over Montsweag Brook is a concrete slab carrying Route 1 over Montsweag Brook in Lincoln County, Maine. It was built in 1931 and reconstructed in 1950, 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 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 16,559 vehicles a day, roughly 5% of them trucks, projected to reach 23,183 by 2036. The structure is 23 ft (7 m) long and 44 ft wide. If it were closed, the detour would be 60.3 mi (97 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 | 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 Route 1 over Montsweag Brook built?
It was built in 1931, making it 94 years old in 2025. It was reconstructed in 1950.
What condition is Route 1 over Montsweag Brook 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 July 2024.
How much traffic does Route 1 over Montsweag Brook carry?
About 16,559 vehicles per day (2016 count), of which roughly 5% are trucks.
How long is Route 1 over Montsweag Brook?
The structure is 23 ft (7 m) long with a longest span of 20 ft (6.2 m) and a deck 44 ft wide.
Who owns Route 1 over Montsweag Brook?
It is owned by the State Highway Agency.