Md 543 over Deer Creek
Fair Condition94 years old7,736 vehicles/day
Location
| State | Maryland |
| County | Harford |
| Location | 1.47 Miles S Of Md 440 |
| Carries | Md 543 |
| Crosses | Deer Creek |
| Coordinates | 39.61891, -76.33069 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 106.0 ft (32.3 m) |
| Max Span | 100.1 ft (30.5 m) |
| Deck Width | 29.2 ft (8.9 m) |
| Deck Area | 287.5 sq m |
| Main Spans | 1 |
| Year Built | 1932 (reconstructed 1985) |
Traffic
| Avg Daily Traffic | 7,736 (2024) |
| Truck Traffic | 8% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 524 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 100000120049010 |