Blanchard Hill RD over Plumb Brook
PoorSt. Lawrence County, New York · 1.2 MI NW of S Russell · Structure no. 000000002221780
- Built
- 1903
- 122 years old
- Condition
- Poor
- inspected September 2023
- Type
- Culvert
- Steel
- Length
- 26 ft
- 3 main spans
- Daily traffic
- 161
- 2016 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
Blanchard Hill RD over Plumb Brook is a steel culvert carrying Blanchard Hill RD over Plumb Brook in St. Lawrence County, New York. It was built in 1903, so it is 122 years old, older than the New York average of 53 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 161 vehicles a day, roughly 1% of them trucks, projected to reach 225 by 2036. The structure is 26 ft (7.9 m) long and 27 ft wide. If it were closed, the detour would be 5.6 mi (9 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 |
|---|---|---|
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Culvert | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Blanchard Hill RD over Plumb Brook built?
It was built in 1903, making it 122 years old in 2025.
What condition is Blanchard Hill RD over Plumb Brook 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 September 2023.
How much traffic does Blanchard Hill RD over Plumb Brook carry?
About 161 vehicles per day (2016 count), of which roughly 1% are trucks.
How long is Blanchard Hill RD over Plumb Brook?
The structure is 26 ft (7.9 m) long with a longest span of 8 ft (2.4 m) and a deck 27 ft wide.
Who owns Blanchard Hill RD over Plumb Brook?
It is owned by the Town or Township Highway Agency.