Halstead Avenue over Beaver Swamp Brook Osbo
Fair Condition98 years old6,915 vehicles/day
Location
| State | New York |
| County | Westchester |
| Location | 1.6 Mi NE Mamaroneck Rye |
| Carries | Halstead Avenue |
| Crosses | Beaver Swamp Brook Osbo |
| Coordinates | 40.97301, -73.70304 |
Condition Ratings
| Overall Condition | Fair |
| Superstructure | 5 (Fair) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 30.8 ft (9.4 m) |
| Max Span | 29.9 ft (9.1 m) |
| Deck Width | 49.2 ft (15 m) |
| Deck Area | 141 sq m |
| Main Spans | 1 |
| Year Built | 1928 |
Traffic
| Avg Daily Traffic | 6,915 (2017) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 1 |
Inspection & Ownership
| Last Inspection | November 2024 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000003348070 |