Black Rock Road over South Branch Gunpowder F
GoodCarroll County, Maryland · 150 Ft N of Traceys Mill · Structure no. 200000CL0399030
- Built
- 2001
- 24 years old
- Condition
- Good
- inspected July 2023
- Type
- Culvert
- Concrete
- Length
- 30 ft
- Daily traffic
- 228
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
Black Rock Road over South Branch Gunpowder F is a concrete culvert carrying Black Rock Road over South Branch Gunpowder F in Carroll County, Maryland. It was built in 2001, so it is 24 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 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 228 vehicles a day, roughly 8% of them trucks, projected to reach 390 by 2041. The structure is 30 ft (9.2 m) long. 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 |
|---|---|---|
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Black Rock Road over South Branch Gunpowder F built?
It was built in 2001, making it 24 years old in 2025.
What condition is Black Rock Road over South Branch Gunpowder F 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 July 2023.
How much traffic does Black Rock Road over South Branch Gunpowder F carry?
About 228 vehicles per day (2021 count), of which roughly 8% are trucks.
How long is Black Rock Road over South Branch Gunpowder F?
The structure is 30 ft (9.2 m) long with a longest span of 14 ft (4.3 m).
Who owns Black Rock Road over South Branch Gunpowder F?
It is owned by the County Highway Agency.