Harris Mill Road over Little Deer Creek
PoorPosted for loadBaltimore County, Maryland · 0.12 MI E of Lentz RD · Structure no. 200000B-0190010
- Built
- 1920
- 105 years old
- Condition
- Poor
- inspected August 2023
- Type
- Slab
- Concrete Continuous
- Length
- 31 ft
- 2 main spans
- Daily traffic
- 734
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
Harris Mill Road over Little Deer Creek is a concrete continuous slab carrying Harris Mill Road over Little Deer Creek in Baltimore County, Maryland. It was built in 1920, so it is 105 years old, older than the Maryland average of 52.6 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.
It carries about 734 vehicles a day, roughly 2% of them trucks, projected to reach 951 by 2043. The structure is 31 ft (9.4 m) long and 22 ft wide. If it were closed, the detour would be 3.1 mi (5 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 Harris Mill Road over Little Deer Creek built?
It was built in 1920, making it 105 years old in 2025.
What condition is Harris Mill Road over Little Deer Creek in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2023.
How much traffic does Harris Mill Road over Little Deer Creek carry?
About 734 vehicles per day (2023 count), of which roughly 2% are trucks.
How long is Harris Mill Road over Little Deer Creek?
The structure is 31 ft (9.4 m) long with a longest span of 15 ft (4.6 m) and a deck 22 ft wide.
Who owns Harris Mill Road over Little Deer Creek?
It is owned by the County Highway Agency.