County RD 21 over Elm Creek
GoodSt. Lawrence County, New York · 1.0 MI S of Hermon · Structure no. 000000003341100
- Built
- 2008
- 17 years old
- Condition
- Good
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 69 ft
- 1 main span
- Daily traffic
- 837
- 2018 count
- Owner
- County
- County Highway Agency
About this bridge
County RD 21 over Elm Creek is a steel stringer/multi-beam or girder carrying County RD 21 over Elm Creek in St. Lawrence County, New York. It was built in 2008, so it is 17 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 837 vehicles a day, roughly 4% of them trucks, projected to reach 1,172 by 2038. The structure is 69 ft (21 m) long and 31 ft wide. If it were closed, the detour would be 5 mi (8 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 | 9 Excellent | No problems noted. |
| Superstructure | 9 Excellent | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was County RD 21 over Elm Creek built?
It was built in 2008, making it 17 years old in 2025.
What condition is County RD 21 over Elm 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 September 2024.
How much traffic does County RD 21 over Elm Creek carry?
About 837 vehicles per day (2018 count), of which roughly 4% are trucks.
How long is County RD 21 over Elm Creek?
The structure is 69 ft (21 m) long with a longest span of 68 ft (20.7 m) and a deck 31 ft wide.
Who owns County RD 21 over Elm Creek?
It is owned by the County Highway Agency.