Nh 13 over Souhegan River
PoorHillsborough County, New Hampshire · 0.1 MI from Maple ST · Structure no. 017201230013300
- Built
- 1931
- 94 years old
- Condition
- Poor
- inspected November 2024
- Type
- Arch - Deck
- Masonry
- Length
- 112 ft
- 2 main spans
- Daily traffic
- 12,799
- 2023 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Nh 13 over Souhegan River is a masonry arch - deck carrying Nh 13 over Souhegan River in Hillsborough County, New Hampshire. It was built in 1931, so it is 94 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.
It carries about 12,799 vehicles a day, roughly 5% of them trucks, projected to reach 18,942 by 2043. The structure is 112 ft (34.1 m) long and 44 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 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 Nh 13 over Souhegan River built?
It was built in 1931, making it 94 years old in 2025.
What condition is Nh 13 over Souhegan 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 Nh 13 over Souhegan River carry?
About 12,799 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is Nh 13 over Souhegan River?
The structure is 112 ft (34.1 m) long with a longest span of 50 ft (15.2 m) and a deck 44 ft wide.
Who owns Nh 13 over Souhegan River?
It is owned by the City or Municipal Highway Agency.