County Road 55 over Allen Brook
GoodSt. Lawrence County, New York · 4.1 Miles North of Nichol · Structure no. 000000001039790
- Built
- 1932
- 93 years old, rebuilt 1999
- Condition
- Good
- inspected September 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 33 ft
- 1 main span
- Daily traffic
- 480
- 2018 count
- Owner
- County
- County Highway Agency
About this bridge
County Road 55 over Allen Brook is a prestressed concrete box beam or girders - multiple carrying County Road 55 over Allen Brook in St. Lawrence County, New York. It was built in 1932 and reconstructed in 1999, so it is 93 years old, older than the New York average of 53 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 480 vehicles a day, roughly 6% of them trucks, projected to reach 672 by 2038. The structure is 33 ft (10.1 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 8 Very Good | No problems noted. |
| Superstructure | 7 Good | Some minor problems. |
| 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 County Road 55 over Allen Brook built?
It was built in 1932, making it 93 years old in 2025. It was reconstructed in 1999.
What condition is County Road 55 over Allen Brook in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2023.
How much traffic does County Road 55 over Allen Brook carry?
About 480 vehicles per day (2018 count), of which roughly 6% are trucks.
How long is County Road 55 over Allen Brook?
The structure is 33 ft (10.1 m) long with a longest span of 32 ft (9.7 m) and a deck 28 ft wide.
Who owns County Road 55 over Allen Brook?
It is owned by the County Highway Agency.