Main ST over Mill Stream
FairKennebec County, Maine · 2.5 MI W Townline · Structure no. 3227
- Built
- 1966
- 59 years old, rebuilt 2005
- Condition
- Fair
- inspected August 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 30 ft
- 1 main span
- Daily traffic
- 4,558
- 2016 count
- Owner
- State
- State Highway Agency
About this bridge
Main ST over Mill Stream is a prestressed concrete box beam or girders - multiple carrying Main ST over Mill Stream in Kennebec County, Maine. It was built in 1966 and reconstructed in 2005, so it is 59 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 6 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 4,558 vehicles a day, roughly 5% of them trucks, projected to reach 6,381 by 2036. The structure is 30 ft (9 m) long and 47 ft wide. If it were closed, the detour would be 52.2 mi (84 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 Mill Stream built?
It was built in 1966, making it 59 years old in 2025. It was reconstructed in 2005.
What condition is Main ST over Mill Stream 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 August 2024.
How much traffic does Main ST over Mill Stream carry?
About 4,558 vehicles per day (2016 count), of which roughly 5% are trucks.
How long is Main ST over Mill Stream?
The structure is 30 ft (9 m) long with a longest span of 29 ft (8.7 m) and a deck 47 ft wide.
Who owns Main ST over Mill Stream?
It is owned by the State Highway Agency.