Md 25 over Blackrock Run
FairBaltimore County, Maryland · 1.46 Mile South of Md 137 · Structure no. 100000030020010
- Built
- 1995
- 30 years old
- Condition
- Fair
- inspected August 2024
- Type
- Slab
- Prestressed Concrete
- Length
- 32 ft
- 1 main span
- Daily traffic
- 3,551
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
Md 25 over Blackrock Run is a prestressed concrete slab carrying Md 25 over Blackrock Run in Baltimore County, Maryland. It was built in 1995, so it is 30 years old, younger than the Maryland average of 52.6 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 3,551 vehicles a day, roughly 1% of them trucks, projected to reach 3,852 by 2026. The structure is 32 ft (9.8 m) long and 35 ft wide. If it were closed, the detour would be 1.9 mi (3 km).
Location
No coordinates are recorded for this structure.
Condition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| 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 Md 25 over Blackrock Run built?
It was built in 1995, making it 30 years old in 2025.
What condition is Md 25 over Blackrock Run in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2024.
How much traffic does Md 25 over Blackrock Run carry?
About 3,551 vehicles per day (2009 count), of which roughly 1% are trucks.
How long is Md 25 over Blackrock Run?
The structure is 32 ft (9.8 m) long with a longest span of 28 ft (8.5 m) and a deck 35 ft wide.
Who owns Md 25 over Blackrock Run?
It is owned by the State Highway Agency.