Allds Street over Salmon Brook
FairHillsborough County, New Hampshire · .2 MI E of Main ST · Structure no. 017701370009500
- Built
- 1892
- 133 years old
- Condition
- Fair
- inspected August 2023
- Type
- Culvert
- Masonry
- Length
- 36 ft
- 1 main span
- Daily traffic
- 9,118
- 2023 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Allds Street over Salmon Brook is a masonry culvert carrying Allds Street over Salmon Brook in Hillsborough County, New Hampshire. It was built in 1892, so it is 133 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 9,118 vehicles a day, roughly 5% of them trucks, projected to reach 13,494 by 2043. The structure is 36 ft (11 m) long and 49 ft wide. If it were closed, the detour would be 1.9 mi (3 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 |
|---|---|---|
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Allds Street over Salmon Brook built?
It was built in 1892, making it 133 years old in 2025.
What condition is Allds Street over Salmon Brook 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 August 2023.
How much traffic does Allds Street over Salmon Brook carry?
About 9,118 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is Allds Street over Salmon Brook?
The structure is 36 ft (11 m) long with a longest span of 30 ft (9.1 m) and a deck 49 ft wide.
Who owns Allds Street over Salmon Brook?
It is owned by the City or Municipal Highway Agency.