Granite Road over South River
PoorClosed to trafficCarroll County, New Hampshire · 0.3MI. RTE 153 · Structure no. 007401660008200
- Built
- 1920
- 105 years old, rebuilt 1950
- Condition
- Poor
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 36 ft
- 2 main spans
- Daily traffic
- 96
- 2023 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Granite Road over South River is a steel continuous stringer/multi-beam or girder carrying Granite Road over South River in Carroll County, New Hampshire. It was built in 1920 and reconstructed in 1950, 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 2 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: closed to all traffic.
It carries about 96 vehicles a day, projected to reach 142 by 2043. The structure is 36 ft (11 m) long and 18 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 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 2 Critical | Advanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, 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 Granite Road over South River built?
It was built in 1920, making it 105 years old in 2025. It was reconstructed in 1950.
What condition is Granite Road over South 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 July 2024.
How much traffic does Granite Road over South River carry?
About 96 vehicles per day (2023 count).
How long is Granite Road over South River?
The structure is 36 ft (11 m) long with a longest span of 14 ft (4.3 m) and a deck 18 ft wide.
Who owns Granite Road over South River?
It is owned by the City or Municipal Highway Agency.