RTE 121 over Stone Hill River
GoodWestchester County, New York · 1 MI NE JCT SH 22 & SH121 · Structure no. 000000001037400
- Built
- 2002
- 23 years old
- Condition
- Good
- inspected April 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 51 ft
- 1 main span
- Daily traffic
- 4,437
- 2017 count
- Owner
- State
- State Highway Agency
About this bridge
RTE 121 over Stone Hill River is a prestressed concrete box beam or girders - multiple carrying RTE 121 over Stone Hill River in Westchester County, New York. It was built in 2002, so it is 23 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 4,437 vehicles a day, roughly 6% of them trucks, projected to reach 5,390 by 2041. The structure is 51 ft (15.5 m) long and 37 ft wide. If it were closed, the detour would be 1.9 mi (3 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 |
|---|---|---|
| Deck | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| 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 RTE 121 over Stone Hill River built?
It was built in 2002, making it 23 years old in 2025.
What condition is RTE 121 over Stone Hill 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 April 2024.
How much traffic does RTE 121 over Stone Hill River carry?
About 4,437 vehicles per day (2017 count), of which roughly 6% are trucks.
How long is RTE 121 over Stone Hill River?
The structure is 51 ft (15.5 m) long with a longest span of 49 ft (15 m) and a deck 37 ft wide.
Who owns RTE 121 over Stone Hill River?
It is owned by the State Highway Agency.