US 4 Wb(hoit Rd) over I-93 US 4 WB
FairMerrimack County, New Hampshire · .6 MI East Canterbury Tl · Structure no. 005200410012300
- Built
- 1958
- 67 years old, rebuilt 1992
- Condition
- Fair
- inspected May 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 255 ft
- 5 main spans
- Daily traffic
- 11,598
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 4 Wb(hoit Rd) over I-93 US 4 WB is a steel stringer/multi-beam or girder carrying US 4 Wb(hoit Rd) over I-93 US 4 WB in Merrimack County, New Hampshire. It was built in 1958 and reconstructed in 1992, so it is 67 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 11,598 vehicles a day, roughly 6% of them trucks, projected to reach 17,165 by 2043. The structure is 255 ft (77.7 m) long and 63 ft wide. If it were closed, the detour would be 6.8 mi (11 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 | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 4 Wb(hoit Rd) over I-93 US 4 WB built?
It was built in 1958, making it 67 years old in 2025. It was reconstructed in 1992.
What condition is US 4 Wb(hoit Rd) over I-93 US 4 WB 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 2023.
How much traffic does US 4 Wb(hoit Rd) over I-93 US 4 WB carry?
About 11,598 vehicles per day (2023 count), of which roughly 6% are trucks.
How long is US 4 Wb(hoit Rd) over I-93 US 4 WB?
The structure is 255 ft (77.7 m) long with a longest span of 60 ft (18.3 m) and a deck 63 ft wide.
Who owns US 4 Wb(hoit Rd) over I-93 US 4 WB?
It is owned by the State Highway Agency.