Alcoa Road over Grasse River
GoodSt. Lawrence County, New York · 0.1 MI N JCT RTE 37 +37B · Structure no. 000000003221420
- Built
- 2002
- 23 years old
- Condition
- Good
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 773 ft
- 3 main spans
- Daily traffic
- 2,101
- 2019 count
- Owner
- County
- County Highway Agency
About this bridge
Alcoa Road over Grasse River is a steel continuous stringer/multi-beam or girder carrying Alcoa Road over Grasse River in St. Lawrence County, New York. It was built in 2002, so it is 23 years old, younger 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 2,101 vehicles a day, roughly 6% of them trucks, projected to reach 2,552 by 2041. The structure is 773 ft (235.6 m) long and 39 ft wide. If it were closed, the detour would be 0.6 mi (1 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 | 7 Good | Some minor problems. |
| Superstructure | 8 Very Good | No problems noted. |
| 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 Alcoa Road over Grasse River built?
It was built in 2002, making it 23 years old in 2025.
What condition is Alcoa Road over Grasse River 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 July 2024.
How much traffic does Alcoa Road over Grasse River carry?
About 2,101 vehicles per day (2019 count), of which roughly 6% are trucks.
How long is Alcoa Road over Grasse River?
The structure is 773 ft (235.6 m) long with a longest span of 361 ft (110 m) and a deck 39 ft wide.
Who owns Alcoa Road over Grasse River?
It is owned by the County Highway Agency.