NH109 over Salmon Falls River
FairCarroll County, New Hampshire · Nh-Me State Line · Structure no. 026102100013900
- Built
- 1962
- 63 years old, rebuilt 1992
- Condition
- Fair
- inspected June 2024
- Type
- Slab
- Concrete
- Length
- 28 ft
- 1 main span
- Daily traffic
- 789
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
NH109 over Salmon Falls River is a concrete slab carrying NH109 over Salmon Falls River in Carroll County, New Hampshire. It was built in 1962 and reconstructed in 1992, so it is 63 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 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 789 vehicles a day, roughly 4% of them trucks, projected to reach 1,167 by 2043. The structure is 28 ft (8.5 m) long and 30 ft wide. If it were closed, the detour would be 52.2 mi (84 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 | 7 Good | Some minor problems. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was NH109 over Salmon Falls River built?
It was built in 1962, making it 63 years old in 2025. It was reconstructed in 1992.
What condition is NH109 over Salmon Falls 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 June 2024.
How much traffic does NH109 over Salmon Falls River carry?
About 789 vehicles per day (2023 count), of which roughly 4% are trucks.
How long is NH109 over Salmon Falls River?
The structure is 28 ft (8.5 m) long with a longest span of 25 ft (7.6 m) and a deck 30 ft wide.
Who owns NH109 over Salmon Falls River?
It is owned by the State Highway Agency.