NH112 Kancamagus over Ledge Brook
GoodGrafton County, New Hampshire · 4.0 MI E. Lincoln T.L. · Structure no. 015352090010900
- Built
- 1953
- 72 years old
- Condition
- Good
- inspected May 2024
- Type
- Frame
- Concrete
- Length
- 27 ft
- 1 main span
- Daily traffic
- 5,352
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
NH112 Kancamagus over Ledge Brook is a concrete frame carrying NH112 Kancamagus over Ledge Brook in Grafton County, New Hampshire. It was built in 1953, so it is 72 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 5,352 vehicles a day, roughly 4% of them trucks, projected to reach 7,920 by 2043. The structure is 27 ft (8.2 m) long and 35 ft wide. If it were closed, the detour would be 55.9 mi (90 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was NH112 Kancamagus over Ledge Brook built?
It was built in 1953, making it 72 years old in 2025.
What condition is NH112 Kancamagus over Ledge 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 May 2024.
How much traffic does NH112 Kancamagus over Ledge Brook carry?
About 5,352 vehicles per day (2023 count), of which roughly 4% are trucks.
How long is NH112 Kancamagus over Ledge Brook?
The structure is 27 ft (8.2 m) long with a longest span of 25 ft (7.6 m) and a deck 35 ft wide.
Who owns NH112 Kancamagus over Ledge Brook?
It is owned by the State Highway Agency.