I-93 SB over Nhrr
GoodGrafton County, New Hampshire · 0.6MI FR New Hampton T.L. · Structure no. 001100880005800
- Built
- 1963
- 62 years old, rebuilt 1990
- Condition
- Good
- inspected May 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 139 ft
- 3 main spans
- Daily traffic
- 10,878
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I-93 SB over Nhrr is a steel continuous stringer/multi-beam or girder carrying I-93 SB over Nhrr in Grafton County, New Hampshire. It was built in 1963 and reconstructed in 1990, so it is 62 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 10,878 vehicles a day, projected to reach 16,099 by 2043. The structure is 139 ft (42.4 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 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. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I-93 SB over Nhrr built?
It was built in 1963, making it 62 years old in 2025. It was reconstructed in 1990.
What condition is I-93 SB over Nhrr 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 2023.
How much traffic does I-93 SB over Nhrr carry?
About 10,878 vehicles per day (2023 count).
How long is I-93 SB over Nhrr?
The structure is 139 ft (42.4 m) long with a longest span of 51 ft (15.5 m) and a deck 44 ft wide.
Who owns I-93 SB over Nhrr?
It is owned by the State Highway Agency.