Argonne Drive over Herring Run
Fair Condition68 years old6,200 vehicles/day
Location
| State | Maryland |
| County | Baltimore |
| Location | 0.2 Mi W Harford RD |
| Carries | Argonne Drive |
| Crosses | Herring Run |
| Coordinates | 39.33916, -76.57762 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 384.8 ft (117.3 m) |
| Max Span | 76.1 ft (23.2 m) |
| Deck Width | 56.8 ft (17.3 m) |
| Deck Area | 2029.3 sq m |
| Main Spans | 5 |
| Year Built | 1958 (reconstructed 2011) |
Traffic
| Avg Daily Traffic | 6,200 (2022) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 124 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 200000BC3401010 |