Southgate RD over Birch Stream
GoodPenobscot County, Maine · 1 MI E of JCT RTE 16 · Structure no. 2084
- Built
- 2007
- 18 years old
- Condition
- Good
- inspected December 2024
- Type
- Slab
- Prestressed Concrete
- Length
- 144 ft
- 3 main spans
- Daily traffic
- 533
- 2016 count
- Owner
- State
- State Highway Agency
About this bridge
Southgate RD over Birch Stream is a prestressed concrete slab carrying Southgate RD over Birch Stream in Penobscot County, Maine. It was built in 2007, so it is 18 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 533 vehicles a day, roughly 5% of them trucks, projected to reach 853 by 2036. The structure is 144 ft (43.8 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Southgate RD over Birch Stream built?
It was built in 2007, making it 18 years old in 2025.
What condition is Southgate RD over Birch Stream 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 December 2024.
How much traffic does Southgate RD over Birch Stream carry?
About 533 vehicles per day (2016 count), of which roughly 5% are trucks.
How long is Southgate RD over Birch Stream?
The structure is 144 ft (43.8 m) long with a longest span of 45 ft (13.7 m) and a deck 30 ft wide.
Who owns Southgate RD over Birch Stream?
It is owned by the State Highway Agency.