I-93 NB over Owl Street
GoodGrafton County, New Hampshire · 0.7 MI Thornton Tl · Structure no. 003501330014500
- Built
- 1968
- 57 years old, rebuilt 2002
- Condition
- Good
- inspected April 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 76 ft
- 1 main span
- Daily traffic
- 7,498
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I-93 NB over Owl Street is a steel stringer/multi-beam or girder carrying I-93 NB over Owl Street in Grafton County, New Hampshire. It was built in 1968 and reconstructed in 2002, so it is 57 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 7,498 vehicles a day, roughly 10% of them trucks, projected to reach 11,097 by 2043. The structure is 76 ft (23.2 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 | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I-93 NB over Owl Street built?
It was built in 1968, making it 57 years old in 2025. It was reconstructed in 2002.
What condition is I-93 NB over Owl Street 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 April 2023.
How much traffic does I-93 NB over Owl Street carry?
About 7,498 vehicles per day (2023 count), of which roughly 10% are trucks.
How long is I-93 NB over Owl Street?
The structure is 76 ft (23.2 m) long with a longest span of 70 ft (21.3 m) and a deck 44 ft wide.
Who owns I-93 NB over Owl Street?
It is owned by the State Highway Agency.