Elmhirst Parkway over Rock Creek Tributary
GoodMontgomery County, Maryland · 0.3 MI N of Cedar Lane · Structure no. 200000M-PK13010
- Built
- 2016
- 9 years old
- Condition
- Good
- inspected October 2024
- Type
- Arch - Deck
- Concrete
- Length
- 21 ft
- 1 main span
- Daily traffic
- 718
- 2019 count
- Owner
- County
- County Highway Agency
About this bridge
Elmhirst Parkway over Rock Creek Tributary is a concrete arch - deck carrying Elmhirst Parkway over Rock Creek Tributary in Montgomery County, Maryland. It was built in 2016, so it is 9 years old, younger than the Maryland average of 52.6 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 718 vehicles a day, roughly 3% of them trucks, projected to reach 769 by 2039. The structure is 21 ft (6.3 m) long and 39 ft wide. If it were closed, the detour would be 1.2 mi (2 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 |
|---|---|---|
| Superstructure | 8 Very Good | No problems noted. |
| 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 Elmhirst Parkway over Rock Creek Tributary built?
It was built in 2016, making it 9 years old in 2025.
What condition is Elmhirst Parkway over Rock Creek Tributary 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 October 2024.
How much traffic does Elmhirst Parkway over Rock Creek Tributary carry?
About 718 vehicles per day (2019 count), of which roughly 3% are trucks.
How long is Elmhirst Parkway over Rock Creek Tributary?
The structure is 21 ft (6.3 m) long with a longest span of 16 ft (4.9 m) and a deck 39 ft wide.
Who owns Elmhirst Parkway over Rock Creek Tributary?
It is owned by the County Highway Agency.