Nh 16TRK Unity ST over Androscoggin River
FairCoos County, New Hampshire · 120FT from RTE 16 · Structure no. 002302350005200
- Built
- 1982
- 43 years old
- Condition
- Fair
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 432 ft
- 3 main spans
- Daily traffic
- 4,023
- 2023 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Nh 16TRK Unity ST over Androscoggin River is a steel continuous stringer/multi-beam or girder carrying Nh 16TRK Unity ST over Androscoggin River in Coos County, New Hampshire. It was built in 1982, so it is 43 years old, younger than the New Hampshire average of 56.9 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 4,023 vehicles a day, roughly 4% of them trucks, projected to reach 5,954 by 2043. The structure is 432 ft (131.7 m) long and 48 ft wide. If it were closed, the detour would be 14.3 mi (23 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 Nh 16TRK Unity ST over Androscoggin River built?
It was built in 1982, making it 43 years old in 2025.
What condition is Nh 16TRK Unity ST over Androscoggin River 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 September 2024.
How much traffic does Nh 16TRK Unity ST over Androscoggin River carry?
About 4,023 vehicles per day (2023 count), of which roughly 4% are trucks.
How long is Nh 16TRK Unity ST over Androscoggin River?
The structure is 432 ft (131.7 m) long with a longest span of 162 ft (49.4 m) and a deck 48 ft wide.
Who owns Nh 16TRK Unity ST over Androscoggin River?
It is owned by the City or Municipal Highway Agency.