I-89 NB over Nh 10
FairSullivan County, New Hampshire · 2.1 MI from Springfield T · Structure no. 010001170008300
- Built
- 1967
- 58 years old
- Condition
- Fair
- inspected April 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 90 ft
- 1 main span
- Daily traffic
- 10,804
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I-89 NB over Nh 10 is a prestressed concrete stringer/multi-beam or girder carrying I-89 NB over Nh 10 in Sullivan County, New Hampshire. It was built in 1967, so it is 58 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 5 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 10,804 vehicles a day, roughly 9% of them trucks, projected to reach 15,989 by 2043. The structure is 90 ft (27.3 m) long and 44 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I-89 NB over Nh 10 built?
It was built in 1967, making it 58 years old in 2025.
What condition is I-89 NB over Nh 10 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 April 2023.
How much traffic does I-89 NB over Nh 10 carry?
About 10,804 vehicles per day (2023 count), of which roughly 9% are trucks.
How long is I-89 NB over Nh 10?
The structure is 90 ft (27.3 m) long with a longest span of 84 ft (25.6 m) and a deck 44 ft wide.
Who owns I-89 NB over Nh 10?
It is owned by the State Highway Agency.