Roby Road over Lane River
GoodMerrimack County, New Hampshire · 1.2 Mi. Warner Tl · Structure no. 025001460003700
- Built
- 2002
- 23 years old
- Condition
- Good
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 50 ft
- 1 main span
- Daily traffic
- 326
- 2023 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Roby Road over Lane River is a steel stringer/multi-beam or girder carrying Roby Road over Lane River in Merrimack County, New Hampshire. It was built in 2002, so it is 23 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 326 vehicles a day, roughly 4% of them trucks, projected to reach 482 by 2043. The structure is 50 ft (15.2 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Roby Road over Lane River built?
It was built in 2002, making it 23 years old in 2025.
What condition is Roby Road over Lane 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 September 2024.
How much traffic does Roby Road over Lane River carry?
About 326 vehicles per day (2023 count), of which roughly 4% are trucks.
How long is Roby Road over Lane River?
The structure is 50 ft (15.2 m) long with a longest span of 43 ft (13.2 m) and a deck 24 ft wide.
Who owns Roby Road over Lane River?
It is owned by the City or Municipal Highway Agency.