RTE 21 over Dyke Creek
GoodAllegany County, New York · .1 MI N JCT SR417 & SR 21 · Structure no. 000000001016250
- Built
- 2013
- 12 years old
- Condition
- Good
- inspected November 2023
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 77 ft
- 1 main span
- Daily traffic
- 2,212
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
RTE 21 over Dyke Creek is a prestressed concrete tee beam carrying RTE 21 over Dyke Creek in Allegany County, New York. It was built in 2013, so it is 12 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 2,212 vehicles a day, roughly 10% of them trucks, projected to reach 2,349 by 2041. The structure is 77 ft (23.5 m) long and 45 ft wide. If it were closed, the detour would be 41.6 mi (67 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 8 Very Good | No problems noted. |
| 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 RTE 21 over Dyke Creek built?
It was built in 2013, making it 12 years old in 2025.
What condition is RTE 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 November 2023.
How much traffic does RTE 21 over Dyke Creek carry?
About 2,212 vehicles per day (2021 count), of which roughly 10% are trucks.
How long is RTE 21 over Dyke Creek?
The structure is 77 ft (23.5 m) long with a longest span of 72 ft (21.9 m) and a deck 45 ft wide.
Who owns RTE 21 over Dyke Creek?
It is owned by the State Highway Agency.