Halstead Avenue over Mamaroneck River
FairWestchester County, New York · At Mamaroneck · Structure no. 000000003348290
- Built
- 1910
- 115 years old, rebuilt 2003
- Condition
- Fair
- inspected April 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 48 ft
- 1 main span
- Daily traffic
- 7,311
- 2017 count
- Owner
- County
- County Highway Agency
About this bridge
Halstead Avenue over Mamaroneck River is a steel stringer/multi-beam or girder carrying Halstead Avenue over Mamaroneck River in Westchester County, New York. It was built in 1910 and reconstructed in 2003, so it is 115 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 7,311 vehicles a day, roughly 3% of them trucks, projected to reach 8,881 by 2041. The structure is 48 ft (14.6 m) long and 69 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 Halstead Avenue over Mamaroneck River built?
It was built in 1910, making it 115 years old in 2025. It was reconstructed in 2003.
What condition is Halstead Avenue over Mamaroneck 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 April 2024.
How much traffic does Halstead Avenue over Mamaroneck River carry?
About 7,311 vehicles per day (2017 count), of which roughly 3% are trucks.
How long is Halstead Avenue over Mamaroneck River?
The structure is 48 ft (14.6 m) long with a longest span of 44 ft (13.4 m) and a deck 69 ft wide.
Who owns Halstead Avenue over Mamaroneck River?
It is owned by the County Highway Agency.