RTE 81 over St.Lawrence Rv.Ch
FairJefferson County, New York · 5.0 Mi.Nw Alexandria Bay · Structure no. 000000005523252
- Built
- 1959
- 66 years old
- Condition
- Fair
- inspected August 2023
- Type
- Frame
- Concrete
- Length
- 102 ft
- 1 main span
- Daily traffic
- 2,005
- 2011 count
- Owner
- Toll Authority
- Local Toll Authority
About this bridge
RTE 81 over St.Lawrence Rv.Ch is a concrete frame carrying RTE 81 over St.Lawrence Rv.Ch in Jefferson County, New York. It was built in 1959, so it is 66 years old, older than the New York average of 53 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 2,005 vehicles a day, roughly 45% of them trucks, projected to reach 2,387 by 2041. The structure is 102 ft (31.1 m) long and 54 ft wide. If it were closed, the detour would be 123.7 mi (199 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 8 Very Good | No problems noted. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was RTE 81 over St.Lawrence Rv.Ch built?
It was built in 1959, making it 66 years old in 2025.
What condition is RTE 81 over St.Lawrence Rv.Ch in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2023.
How much traffic does RTE 81 over St.Lawrence Rv.Ch carry?
About 2,005 vehicles per day (2011 count), of which roughly 45% are trucks.
How long is RTE 81 over St.Lawrence Rv.Ch?
The structure is 102 ft (31.1 m) long with a longest span of 96 ft (29.2 m) and a deck 54 ft wide.
Who owns RTE 81 over St.Lawrence Rv.Ch?
It is owned by the Local Toll Authority.