RTE 420 over Raquette River
FairSt. Lawrence County, New York · 0.8 Mi. S of Massena · Structure no. 000000001048260
- Built
- 1966
- 59 years old
- Condition
- Fair
- inspected October 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 234 ft
- 2 main spans
- Daily traffic
- 9,594
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
RTE 420 over Raquette River is a steel stringer/multi-beam or girder carrying RTE 420 over Raquette River in St. Lawrence County, New York. It was built in 1966, so it is 59 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 9,594 vehicles a day, roughly 8% of them trucks, projected to reach 11,654 by 2041. The structure is 234 ft (71.3 m) long and 54 ft wide. If it were closed, the detour would be 11.8 mi (19 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 RTE 420 over Raquette River built?
It was built in 1966, making it 59 years old in 2025.
What condition is RTE 420 over Raquette River 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 October 2023.
How much traffic does RTE 420 over Raquette River carry?
About 9,594 vehicles per day (2020 count), of which roughly 8% are trucks.
How long is RTE 420 over Raquette River?
The structure is 234 ft (71.3 m) long with a longest span of 114 ft (34.7 m) and a deck 54 ft wide.
Who owns RTE 420 over Raquette River?
It is owned by the State Highway Agency.