I-89 NB over NH103
GoodMerrimack County, New Hampshire · 0.5 MI Hopkinton T.L. · Structure no. 026302550016400
- Built
- 1966
- 59 years old
- Condition
- Good
- inspected May 2023
- Type
- Frame
- Concrete
- Length
- 58 ft
- 1 main span
- Daily traffic
- 10,232
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I-89 NB over NH103 is a concrete frame carrying I-89 NB over NH103 in Merrimack County, New Hampshire. It was built in 1966, so it is 59 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 10,232 vehicles a day, roughly 9% of them trucks, projected to reach 15,143 by 2043. The structure is 58 ft (17.7 m) long and 42 ft wide.
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-89 NB over NH103 built?
It was built in 1966, making it 59 years old in 2025.
What condition is I-89 NB over NH103 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-89 NB over NH103 carry?
About 10,232 vehicles per day (2023 count), of which roughly 9% are trucks.
How long is I-89 NB over NH103?
The structure is 58 ft (17.7 m) long with a longest span of 51 ft (15.5 m) and a deck 42 ft wide.
Who owns I-89 NB over NH103?
It is owned by the State Highway Agency.