NH103 over I-89 NB
FairMerrimack County, New Hampshire · 3.6 MI N. Hopkinton T.L. · Structure no. 026302020013600
- Built
- 1966
- 59 years old, rebuilt 1993
- Condition
- Fair
- inspected November 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 81 ft
- 1 main span
- Daily traffic
- 1,372
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
NH103 over I-89 NB is a steel stringer/multi-beam or girder carrying NH103 over I-89 NB in Merrimack County, New Hampshire. It was built in 1966 and reconstructed in 1993, 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 1,372 vehicles a day, roughly 10% of them trucks, projected to reach 2,030 by 2043. The structure is 81 ft (24.7 m) long and 38 ft wide.
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 9 Excellent | No problems noted. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was NH103 over I-89 NB built?
It was built in 1966, making it 59 years old in 2025. It was reconstructed in 1993.
What condition is NH103 over I-89 NB in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2023.
How much traffic does NH103 over I-89 NB carry?
About 1,372 vehicles per day (2023 count), of which roughly 10% are trucks.
How long is NH103 over I-89 NB?
The structure is 81 ft (24.7 m) long with a longest span of 75 ft (22.9 m) and a deck 38 ft wide.
Who owns NH103 over I-89 NB?
It is owned by the State Highway Agency.