US 1 over Herbert Run
Fair Condition77 years old16,379 vehicles/day
Location
| State | Maryland |
| County | Baltimore |
| Location | 0.49 Mi S Of Md 644a |
| Carries | US 1 |
| Crosses | Herbert Run |
| Coordinates | 39.23151, -76.69208 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 69.9 ft (21.3 m) |
| Max Span | 65.0 ft (19.8 m) |
| Deck Width | 78.7 ft (24 m) |
| Deck Area | 511.2 sq m |
| Main Spans | 1 |
| Year Built | 1949 |
Traffic
| Avg Daily Traffic | 16,379 (2024) |
| Truck Traffic | 4% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | 324 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 100000030007010 |