Aldrich Road over Mill Brook
GoodCheshire County, New Hampshire · 0.02MI NH12 · Structure no. 027201370012700
- Built
- 1996
- 29 years old
- Condition
- Good
- inspected July 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 64 ft
- 1 main span
- Daily traffic
- 96
- 2023 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Aldrich Road over Mill Brook is a prestressed concrete box beam or girders - multiple carrying Aldrich Road over Mill Brook in Cheshire County, New Hampshire. It was built in 1996, so it is 29 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 96 vehicles a day, roughly 4% of them trucks, projected to reach 142 by 2043. The structure is 64 ft (19.5 m) long and 20 ft wide. If it were closed, the detour would be 98.8 mi (159 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. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Aldrich Road over Mill Brook built?
It was built in 1996, making it 29 years old in 2025.
What condition is Aldrich Road over Mill Brook 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 July 2023.
How much traffic does Aldrich Road over Mill Brook carry?
About 96 vehicles per day (2023 count), of which roughly 4% are trucks.
How long is Aldrich Road over Mill Brook?
The structure is 64 ft (19.5 m) long with a longest span of 61 ft (18.6 m) and a deck 20 ft wide.
Who owns Aldrich Road over Mill Brook?
It is owned by the City or Municipal Highway Agency.