County Road 21 over Swamp River
GoodDutchess County, New York · At Wingdale · Structure no. 000000003343040
- Built
- 1988
- 37 years old
- Condition
- Good
- inspected April 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 67 ft
- 1 main span
- Daily traffic
- 2,597
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
County Road 21 over Swamp River is a prestressed concrete box beam or girders - multiple carrying County Road 21 over Swamp River in Dutchess County, New York. It was built in 1988, so it is 37 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 2,597 vehicles a day, roughly 10% of them trucks, projected to reach 2,709 by 2041. The structure is 67 ft (20.4 m) long and 37 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 |
|---|---|---|
| Deck | 8 Very Good | No problems noted. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| 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 County Road 21 over Swamp River built?
It was built in 1988, making it 37 years old in 2025.
What condition is County Road 21 over Swamp 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 2023.
How much traffic does County Road 21 over Swamp River carry?
About 2,597 vehicles per day (2020 count), of which roughly 10% are trucks.
How long is County Road 21 over Swamp River?
The structure is 67 ft (20.4 m) long with a longest span of 66 ft (20.1 m) and a deck 37 ft wide.
Who owns County Road 21 over Swamp River?
It is owned by the County Highway Agency.