Park Avenue over Mill River
FairNassau County, New York · .6 MI SW of Rockville Ctr · Structure no. 000000003300210
- Built
- 1952
- 73 years old
- Condition
- Fair
- inspected May 2024
- Type
- Slab
- Concrete Continuous
- Length
- 34 ft
- 2 main spans
- Daily traffic
- 1,674
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Park Avenue over Mill River is a concrete continuous slab carrying Park Avenue over Mill River in Nassau County, New York. It was built in 1952, so it is 73 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 5 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 1,674 vehicles a day, roughly 2% of them trucks, projected to reach 2,071 by 2041. The structure is 34 ft (10.4 m) long and 50 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Park Avenue over Mill River built?
It was built in 1952, making it 73 years old in 2025.
What condition is Park Avenue over Mill 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 May 2024.
How much traffic does Park Avenue over Mill River carry?
About 1,674 vehicles per day (2020 count), of which roughly 2% are trucks.
How long is Park Avenue over Mill River?
The structure is 34 ft (10.4 m) long with a longest span of 16 ft (4.9 m) and a deck 50 ft wide.
Who owns Park Avenue over Mill River?
It is owned by the County Highway Agency.