NH121 over Little River CSX
GoodRockingham County, New Hampshire · 0.5 MI from JCT RTE 125 · Structure no. 021401050003000
- Built
- 2006
- 19 years old
- Condition
- Good
- inspected March 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 382 ft
- 4 main spans
- Daily traffic
- 10,799
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
NH121 over Little River CSX is a steel continuous stringer/multi-beam or girder carrying NH121 over Little River CSX in Rockingham County, New Hampshire. It was built in 2006, so it is 19 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 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 10,799 vehicles a day, roughly 4% of them trucks, projected to reach 15,982 by 2043. The structure is 382 ft (116.4 m) long and 53 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 | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was NH121 over Little River CSX built?
It was built in 2006, making it 19 years old in 2025.
What condition is NH121 over Little River CSX 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 March 2024.
How much traffic does NH121 over Little River CSX carry?
About 10,799 vehicles per day (2023 count), of which roughly 4% are trucks.
How long is NH121 over Little River CSX?
The structure is 382 ft (116.4 m) long with a longest span of 105 ft (32 m) and a deck 53 ft wide.
Who owns NH121 over Little River CSX?
It is owned by the State Highway Agency.