Northside Road over Upper Ammonoosuc River
GoodCoos County, New Hampshire · 234 Ft from NH110 · Structure no. 024001150009100
- Built
- 1862
- 163 years old, rebuilt 2015
- Condition
- Good
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 132 ft
- 2 main spans
- Daily traffic
- 379
- 2023 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Northside Road over Upper Ammonoosuc River is a steel stringer/multi-beam or girder carrying Northside Road over Upper Ammonoosuc River in Coos County, New Hampshire. It was built in 1862 and reconstructed in 2015, so it is 163 years old, older than the New Hampshire average of 56.9 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 379 vehicles a day, roughly 4% of them trucks, projected to reach 560 by 2043. The structure is 132 ft (40.1 m) long and 16 ft wide. If it were closed, the detour would be 3.7 mi (6 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 Northside Road over Upper Ammonoosuc River built?
It was built in 1862, making it 163 years old in 2025. It was reconstructed in 2015.
What condition is Northside Road over Upper Ammonoosuc River 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 October 2024.
How much traffic does Northside Road over Upper Ammonoosuc River carry?
About 379 vehicles per day (2023 count), of which roughly 4% are trucks.
How long is Northside Road over Upper Ammonoosuc River?
The structure is 132 ft (40.1 m) long with a longest span of 61 ft (18.5 m) and a deck 16 ft wide.
Who owns Northside Road over Upper Ammonoosuc River?
It is owned by the City or Municipal Highway Agency.