US 3 Nh 3A over I-293 Nh 3A CSX Merr R
FairHillsborough County, New Hampshire · 0.7 MI Bedford Tl · Structure no. 016101510006500
- Built
- 1923
- 102 years old, rebuilt 2020
- Condition
- Fair
- inspected September 2024
- Type
- Truss - Deck
- Steel
- Length
- 1,186 ft
- 3 main spans
- Daily traffic
- 22,640
- 2023 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
US 3 Nh 3A over I-293 Nh 3A CSX Merr R is a steel truss - deck carrying US 3 Nh 3A over I-293 Nh 3A CSX Merr R in Hillsborough County, New Hampshire. It was built in 1923 and reconstructed in 2020, so it is 102 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 5 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 22,640 vehicles a day, roughly 5% of them trucks, projected to reach 33,507 by 2043. The structure is 1,186 ft (361.5 m) long and 59 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 7 Good | Some minor problems. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 US 3 Nh 3A over I-293 Nh 3A CSX Merr R built?
It was built in 1923, making it 102 years old in 2025. It was reconstructed in 2020.
What condition is US 3 Nh 3A over I-293 Nh 3A CSX Merr R 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 US 3 Nh 3A over I-293 Nh 3A CSX Merr R carry?
About 22,640 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is US 3 Nh 3A over I-293 Nh 3A CSX Merr R?
The structure is 1,186 ft (361.5 m) long with a longest span of 154 ft (46.9 m) and a deck 59 ft wide.
Who owns US 3 Nh 3A over I-293 Nh 3A CSX Merr R?
It is owned by the City or Municipal Highway Agency.