Harford Road over Herring Run
GoodBaltimore city, Maryland · 0.25 MI S Argonne Drive · Structure no. 200000BC3212010
- Built
- 1911
- 114 years old, rebuilt 1927
- Condition
- Good
- inspected June 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 285 ft
- 3 main spans
- Daily traffic
- 20,994
- 2020 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Harford Road over Herring Run is a prestressed concrete stringer/multi-beam or girder carrying Harford Road over Herring Run in Baltimore city, Maryland. It was built in 1911 and reconstructed in 1927, so it is 114 years old, older 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 20,994 vehicles a day, roughly 5% of them trucks, projected to reach 26,132 by 2042. The structure is 285 ft (86.9 m) long and 67 ft wide. If it were closed, the detour would be 1.9 mi (3 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 |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 9 Excellent | No problems noted. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Harford Road over Herring Run built?
It was built in 1911, making it 114 years old in 2025. It was reconstructed in 1927.
What condition is Harford Road over Herring Run 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 June 2024.
How much traffic does Harford Road over Herring Run carry?
About 20,994 vehicles per day (2020 count), of which roughly 5% are trucks.
How long is Harford Road over Herring Run?
The structure is 285 ft (86.9 m) long with a longest span of 135 ft (41.1 m) and a deck 67 ft wide.
Who owns Harford Road over Herring Run?
It is owned by the City or Municipal Highway Agency.