BIA Route 443 over Unknown Stream
FairPenobscot County, Maine · 20 2KM S Millnocket Me · Structure no. 0000S50018B0031
- Built
- 2011
- 14 years old
- Condition
- Fair
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 28 ft
- 1 main span
- Daily traffic
- 20
- 2024 count
- Owner
- Federal
- Bureau of Indian Affairs
About this bridge
BIA Route 443 over Unknown Stream is a steel stringer/multi-beam or girder carrying BIA Route 443 over Unknown Stream in Penobscot County, Maine. It was built in 2011, so it is 14 years old, younger 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 20 vehicles a day, roughly 50% of them trucks, projected to reach 23 by 2044. The structure is 28 ft (8.6 m) long and 16 ft wide. If it were closed, the detour would be 24.2 mi (39 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was BIA Route 443 over Unknown Stream built?
It was built in 2011, making it 14 years old in 2025.
What condition is BIA Route 443 over Unknown 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 July 2024.
How much traffic does BIA Route 443 over Unknown Stream carry?
About 20 vehicles per day (2024 count), of which roughly 50% are trucks.
How long is BIA Route 443 over Unknown Stream?
The structure is 28 ft (8.6 m) long with a longest span of 26 ft (7.9 m) and a deck 16 ft wide.
Who owns BIA Route 443 over Unknown Stream?
It is owned by the Bureau of Indian Affairs.