River Road over I-93
GoodHillsborough County, New Hampshire · 0.01 S Hook-Manch Tl · Structure no. 016100670009100
- Built
- 1975
- 50 years old
- Condition
- Good
- inspected April 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 265 ft
- 2 main spans
- Daily traffic
- 6,128
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
River Road over I-93 is a steel continuous stringer/multi-beam or girder carrying River Road over I-93 in Hillsborough County, New Hampshire. It was built in 1975, so it is 50 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 6,128 vehicles a day, roughly 5% of them trucks, projected to reach 9,069 by 2043. The structure is 265 ft (80.8 m) long and 51 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was River Road over I-93 built?
It was built in 1975, making it 50 years old in 2025.
What condition is River Road over I-93 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 River Road over I-93 carry?
About 6,128 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is River Road over I-93?
The structure is 265 ft (80.8 m) long with a longest span of 130 ft (39.6 m) and a deck 51 ft wide.
Who owns River Road over I-93?
It is owned by the State Highway Agency.