RTE 3 over Oswegatchie River
GoodSt. Lawrence County, New York · JCT.RTE.3 & Oswegatchie R · Structure no. 000000001000710
- Built
- 1980
- 45 years old, rebuilt 2022
- Condition
- Good
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 173 ft
- 1 main span
- Daily traffic
- 1,290
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
RTE 3 over Oswegatchie River is a steel stringer/multi-beam or girder carrying RTE 3 over Oswegatchie River in St. Lawrence County, New York. It was built in 1980 and reconstructed in 2022, so it is 45 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 1,290 vehicles a day, roughly 12% of them trucks, projected to reach 1,302 by 2041. The structure is 173 ft (52.7 m) long and 42 ft wide. If it were closed, the detour would be 5.6 mi (9 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 | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was RTE 3 over Oswegatchie River built?
It was built in 1980, making it 45 years old in 2025. It was reconstructed in 2022.
What condition is RTE 3 over Oswegatchie 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 August 2024.
How much traffic does RTE 3 over Oswegatchie River carry?
About 1,290 vehicles per day (2020 count), of which roughly 12% are trucks.
How long is RTE 3 over Oswegatchie River?
The structure is 173 ft (52.7 m) long with a longest span of 171 ft (52.1 m) and a deck 42 ft wide.
Who owns RTE 3 over Oswegatchie River?
It is owned by the State Highway Agency.