BIA Route 443 over Mountain Brook
GoodPenobscot County, Maine · 21.1 KM S Millnocket Me · Structure no. 0000S50018B0034
- Built
- 2021
- 4 years old
- Condition
- Good
- inspected June 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 34 ft
- 1 main span
- Daily traffic
- 30
- 2024 count
- Owner
- Federal
- Bureau of Indian Affairs
About this bridge
BIA Route 443 over Mountain Brook is a steel stringer/multi-beam or girder carrying BIA Route 443 over Mountain Brook in Penobscot County, Maine. It was built in 2021, so it is 4 years old, younger than the Maine average of 53.7 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 30 vehicles a day, roughly 50% of them trucks, projected to reach 35 by 2038. The structure is 34 ft (10.3 m) long and 16 ft wide. If it were closed, the detour would be 11.2 mi (18 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| 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 Mountain Brook built?
It was built in 2021, making it 4 years old in 2025.
What condition is BIA Route 443 over Mountain Brook in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2024.
How much traffic does BIA Route 443 over Mountain Brook carry?
About 30 vehicles per day (2024 count), of which roughly 50% are trucks.
How long is BIA Route 443 over Mountain Brook?
The structure is 34 ft (10.3 m) long with a longest span of 30 ft (9.2 m) and a deck 16 ft wide.
Who owns BIA Route 443 over Mountain Brook?
It is owned by the Bureau of Indian Affairs.