RTE 812 over Oswegatchie River
GoodSt. Lawrence County, New York · .2 MI W JCT SH 812 & SH 3 · Structure no. 000000003341520
- Built
- 1983
- 42 years old
- Condition
- Good
- inspected September 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 172 ft
- 1 main span
- Daily traffic
- 1,462
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
RTE 812 over Oswegatchie River is a steel stringer/multi-beam or girder carrying RTE 812 over Oswegatchie River in St. Lawrence County, New York. It was built in 1983, so it is 42 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 1,462 vehicles a day, roughly 13% of them trucks, projected to reach 1,475 by 2041. The structure is 172 ft (52.4 m) long and 36 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was RTE 812 over Oswegatchie River built?
It was built in 1983, making it 42 years old in 2025.
What condition is RTE 812 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 September 2023.
How much traffic does RTE 812 over Oswegatchie River carry?
About 1,462 vehicles per day (2020 count), of which roughly 13% are trucks.
How long is RTE 812 over Oswegatchie River?
The structure is 172 ft (52.4 m) long with a longest span of 170 ft (51.8 m) and a deck 36 ft wide.
Who owns RTE 812 over Oswegatchie River?
It is owned by the State Highway Agency.