I-89 SB over Pine Street
FairMerrimack County, New Hampshire · 3.2 MI E. of Warner T.L. · Structure no. 012900900014300
- Built
- 1959
- 66 years old, rebuilt 1991
- Condition
- Fair
- inspected May 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 113 ft
- 3 main spans
- Daily traffic
- 11,574
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I-89 SB over Pine Street is a steel stringer/multi-beam or girder carrying I-89 SB over Pine Street in Merrimack County, New Hampshire. It was built in 1959 and reconstructed in 1991, so it is 66 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 11,574 vehicles a day, roughly 9% of them trucks, projected to reach 17,129 by 2043. The structure is 113 ft (34.4 m) long and 48 ft wide. If it were closed, the detour would be 6.2 mi (10 km).
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 | 7 Good | Some minor problems. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I-89 SB over Pine Street built?
It was built in 1959, making it 66 years old in 2025. It was reconstructed in 1991.
What condition is I-89 SB over Pine Street 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 May 2024.
How much traffic does I-89 SB over Pine Street carry?
About 11,574 vehicles per day (2023 count), of which roughly 9% are trucks.
How long is I-89 SB over Pine Street?
The structure is 113 ft (34.4 m) long with a longest span of 45 ft (13.7 m) and a deck 48 ft wide.
Who owns I-89 SB over Pine Street?
It is owned by the State Highway Agency.