RTE 231 over John Street John Street
FairSuffolk County, New York · .5 MI N JCT SH231 & SH27A · Structure no. 000000001056012
- Built
- 1968
- 57 years old
- Condition
- Fair
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 531 ft
- 8 main spans
- Daily traffic
- 14,099
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
RTE 231 over John Street John Street is a steel stringer/multi-beam or girder carrying RTE 231 over John Street John Street in Suffolk County, New York. It was built in 1968, so it is 57 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 14,099 vehicles a day, roughly 5% of them trucks, projected to reach 17,127 by 2041. The structure is 531 ft (161.8 m) long and 43 ft wide. If it were closed, the detour would be 0.6 mi (1 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was RTE 231 over John Street John Street built?
It was built in 1968, making it 57 years old in 2025.
What condition is RTE 231 over John Street John Street 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 July 2024.
How much traffic does RTE 231 over John Street John Street carry?
About 14,099 vehicles per day (2020 count), of which roughly 5% are trucks.
How long is RTE 231 over John Street John Street?
The structure is 531 ft (161.8 m) long with a longest span of 76 ft (23.1 m) and a deck 43 ft wide.
Who owns RTE 231 over John Street John Street?
It is owned by the State Highway Agency.