I-93 SB over Merrill Access RD
GoodGrafton County, New Hampshire · 3.9 MI Campton Tl · Structure no. 025401730006400
- Built
- 1969
- 56 years old, rebuilt 2001
- Condition
- Good
- inspected April 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 70 ft
- 1 main span
- Daily traffic
- 7,263
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I-93 SB over Merrill Access RD is a steel stringer/multi-beam or girder carrying I-93 SB over Merrill Access RD in Grafton County, New Hampshire. It was built in 1969 and reconstructed in 2001, so it is 56 years old, younger 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 7,263 vehicles a day, roughly 10% of them trucks, projected to reach 10,749 by 2043. The structure is 70 ft (21.3 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 7 Good | Some minor problems. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I-93 SB over Merrill Access RD built?
It was built in 1969, making it 56 years old in 2025. It was reconstructed in 2001.
What condition is I-93 SB over Merrill Access RD 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 April 2023.
How much traffic does I-93 SB over Merrill Access RD carry?
About 7,263 vehicles per day (2023 count), of which roughly 10% are trucks.
How long is I-93 SB over Merrill Access RD?
The structure is 70 ft (21.3 m) long with a longest span of 65 ft (19.8 m) and a deck 45 ft wide.
Who owns I-93 SB over Merrill Access RD?
It is owned by the State Highway Agency.