County Road 21 over Dyke Creek
GoodAllegany County, New York · 1.3MI E of Andover · Structure no. 000000003330720
- Built
- 2007
- 18 years old
- Condition
- Good
- inspected March 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 55 ft
- 1 main span
- Daily traffic
- 469
- 2018 count
- Owner
- County
- County Highway Agency
About this bridge
County Road 21 over Dyke Creek is a prestressed concrete box beam or girders - multiple carrying County Road 21 over Dyke Creek in Allegany County, New York. It was built in 2007, so it is 18 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 469 vehicles a day, roughly 4% of them trucks, projected to reach 657 by 2038. The structure is 55 ft (16.8 m) long and 34 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 8 Very Good | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was County Road 21 over Dyke Creek built?
It was built in 2007, making it 18 years old in 2025.
What condition is County Road 21 over Dyke Creek 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 March 2023.
How much traffic does County Road 21 over Dyke Creek carry?
About 469 vehicles per day (2018 count), of which roughly 4% are trucks.
How long is County Road 21 over Dyke Creek?
The structure is 55 ft (16.8 m) long with a longest span of 54 ft (16.5 m) and a deck 34 ft wide.
Who owns County Road 21 over Dyke Creek?
It is owned by the County Highway Agency.