I-93 SB over Nhrr
GoodGrafton County, New Hampshire · 0.3 MI Holderness Tl · Structure no. 021601450014500
- Built
- 1964
- 61 years old, rebuilt 1993
- Condition
- Good
- inspected March 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 145 ft
- 3 main spans
- Daily traffic
- 11,571
- 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 1964 and reconstructed in 1993, so it is 61 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 11,571 vehicles a day, roughly 9% of them trucks, projected to reach 17,125 by 2043. The structure is 145 ft (44.2 m) long and 42 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 1964, making it 61 years old in 2025. It was reconstructed in 1993.
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 March 2023.
How much traffic does I-93 SB over Nhrr carry?
About 11,571 vehicles per day (2023 count), of which roughly 9% are trucks.
How long is I-93 SB over Nhrr?
The structure is 145 ft (44.2 m) long with a longest span of 53 ft (16.2 m) and a deck 42 ft wide.
Who owns I-93 SB over Nhrr?
It is owned by the State Highway Agency.