Hilldale Ave over Powwow River
PoorPosted for loadRockingham County, New Hampshire · 0.8 MI FR Newton Tl · Structure no. 023800690006600
- Built
- 1920
- 105 years old
- Condition
- Poor
- inspected November 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 31 ft
- 1 main span
- Daily traffic
- 208
- 2023 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Hilldale Ave over Powwow River is a steel stringer/multi-beam or girder carrying Hilldale Ave over Powwow River in Rockingham County, New Hampshire. It was built in 1920, so it is 105 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.
It carries about 208 vehicles a day, roughly 4% of them trucks, projected to reach 307 by 2043. The structure is 31 ft (9.4 m) long and 19 ft wide. If it were closed, the detour would be 6.2 mi (10 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| 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 Hilldale Ave over Powwow River built?
It was built in 1920, making it 105 years old in 2025.
What condition is Hilldale Ave over Powwow River in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2024.
How much traffic does Hilldale Ave over Powwow River carry?
About 208 vehicles per day (2023 count), of which roughly 4% are trucks.
How long is Hilldale Ave over Powwow River?
The structure is 31 ft (9.4 m) long with a longest span of 22 ft (6.7 m) and a deck 19 ft wide.
Who owns Hilldale Ave over Powwow River?
It is owned by the City or Municipal Highway Agency.