I-93 SB over Nhrr Winnipesaukee River
GoodMerrimack County, New Hampshire · Tilton Tl · Structure no. 019601170015700
- Built
- 1960
- 65 years old, rebuilt 2019
- Condition
- Good
- inspected June 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 342 ft
- 4 main spans
- Daily traffic
- 15,417
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I-93 SB over Nhrr Winnipesaukee River is a steel continuous stringer/multi-beam or girder carrying I-93 SB over Nhrr Winnipesaukee River in Merrimack County, New Hampshire. It was built in 1960 and reconstructed in 2019, so it is 65 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 15,417 vehicles a day, roughly 9% of them trucks, projected to reach 22,817 by 2043. The structure is 342 ft (104.2 m) long and 51 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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I-93 SB over Nhrr Winnipesaukee River built?
It was built in 1960, making it 65 years old in 2025. It was reconstructed in 2019.
What condition is I-93 SB over Nhrr Winnipesaukee River 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 June 2023.
How much traffic does I-93 SB over Nhrr Winnipesaukee River carry?
About 15,417 vehicles per day (2023 count), of which roughly 9% are trucks.
How long is I-93 SB over Nhrr Winnipesaukee River?
The structure is 342 ft (104.2 m) long with a longest span of 84 ft (25.6 m) and a deck 51 ft wide.
Who owns I-93 SB over Nhrr Winnipesaukee River?
It is owned by the State Highway Agency.