Glenville Road over Mill Brook
PoorHarford County, Maryland · 2.1 Miles NE of Md 22 · Structure no. 200000H-0030010
- Built
- 1930
- 95 years old, rebuilt 1935
- Condition
- Poor
- inspected August 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 38 ft
- 1 main span
- Daily traffic
- 816
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Glenville Road over Mill Brook is a steel stringer/multi-beam or girder carrying Glenville Road over Mill Brook in Harford County, Maryland. It was built in 1930 and reconstructed in 1935, so it is 95 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.
It carries about 816 vehicles a day, roughly 5% of them trucks, projected to reach 520 by 2040. The structure is 38 ft (11.6 m) long and 18 ft wide. If it were closed, the detour would be 6.8 mi (11 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 4 Poor | Advanced section loss, deterioration, 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 Glenville Road over Mill Brook built?
It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1935.
What condition is Glenville Road over Mill Brook 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 Glenville Road over Mill Brook carry?
About 816 vehicles per day (2020 count), of which roughly 5% are trucks.
How long is Glenville Road over Mill Brook?
The structure is 38 ft (11.6 m) long with a longest span of 35 ft (10.7 m) and a deck 18 ft wide.
Who owns Glenville Road over Mill Brook?
It is owned by the County Highway Agency.