Henry Hertz ST over Saw Mill River
FairWestchester County, New York · 1.6 MI W of Dunwoodie · Structure no. 000000002254780
- Built
- 1950
- 75 years old
- Condition
- Fair
- inspected April 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 35 ft
- 1 main span
- Daily traffic
- 1,902
- 2015 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Henry Hertz ST over Saw Mill River is a steel stringer/multi-beam or girder carrying Henry Hertz ST over Saw Mill River in Westchester County, New York. It was built in 1950, so it is 75 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 1,902 vehicles a day, roughly 5% of them trucks, projected to reach 2,663 by 2035. The structure is 35 ft (10.7 m) long and 50 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Henry Hertz ST over Saw Mill River built?
It was built in 1950, making it 75 years old in 2025.
What condition is Henry Hertz ST over Saw 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 April 2023.
How much traffic does Henry Hertz ST over Saw Mill River carry?
About 1,902 vehicles per day (2015 count), of which roughly 5% are trucks.
How long is Henry Hertz ST over Saw Mill River?
The structure is 35 ft (10.7 m) long with a longest span of 32 ft (9.7 m) and a deck 50 ft wide.
Who owns Henry Hertz ST over Saw Mill River?
It is owned by the City or Municipal Highway Agency.