I-93 SB over Pemigewasset River
GoodGrafton County, New Hampshire · 0.1 MI Campton Tl · Structure no. 025402470007900
- Built
- 1969
- 56 years old, rebuilt 2003
- Condition
- Good
- inspected July 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 409 ft
- 3 main spans
- Daily traffic
- 7,613
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I-93 SB over Pemigewasset River is a steel continuous stringer/multi-beam or girder carrying I-93 SB over Pemigewasset River in Grafton County, New Hampshire. It was built in 1969 and reconstructed in 2003, so it is 56 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 7,613 vehicles a day, roughly 10% of them trucks, projected to reach 11,267 by 2043. The structure is 409 ft (124.7 m) long and 44 ft wide. If it were closed, the detour would be 14.3 mi (23 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I-93 SB over Pemigewasset River built?
It was built in 1969, making it 56 years old in 2025. It was reconstructed in 2003.
What condition is I-93 SB over Pemigewasset River 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 July 2023.
How much traffic does I-93 SB over Pemigewasset River carry?
About 7,613 vehicles per day (2023 count), of which roughly 10% are trucks.
How long is I-93 SB over Pemigewasset River?
The structure is 409 ft (124.7 m) long with a longest span of 155 ft (47.2 m) and a deck 44 ft wide.
Who owns I-93 SB over Pemigewasset River?
It is owned by the State Highway Agency.