Hillside Avenue over Mamaroneck River
GoodWestchester County, New York · Village of Mamaroneck · Structure no. 000000002225070
- Built
- 2022
- 3 years old
- Condition
- Good
- inspected September 2024
- Type
- Frame
- Concrete
- Length
- 41 ft
- 1 main span
- Daily traffic
- 1,751
- 2017 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
Hillside Avenue over Mamaroneck River is a concrete frame carrying Hillside Avenue over Mamaroneck River in Westchester County, New York. It was built in 2022, so it is 3 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 1,751 vehicles a day, roughly 2% of them trucks, projected to reach 2,451 by 2037. The structure is 41 ft (12.5 m) long and 47 ft wide. If it were closed, the detour would be 0.6 mi (1 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 |
|---|---|---|
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 9 Excellent | No problems noted. |
| 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 Hillside Avenue over Mamaroneck River built?
It was built in 2022, making it 3 years old in 2025.
What condition is Hillside Avenue over Mamaroneck 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 2024.
How much traffic does Hillside Avenue over Mamaroneck River carry?
About 1,751 vehicles per day (2017 count), of which roughly 2% are trucks.
How long is Hillside Avenue over Mamaroneck River?
The structure is 41 ft (12.5 m) long with a longest span of 40 ft (12.2 m) and a deck 47 ft wide.
Who owns Hillside Avenue over Mamaroneck River?
It is owned by the Town or Township Highway Agency.