Md 257 over Mill Run
Fair Condition126 years old3,990 vehicles/day
Location
| State | Maryland |
| County | Charles |
| Location | 0.053 M N Of Mill Run RD |
| Carries | Md 257 |
| Crosses | Mill Run |
| Coordinates | 38.34491, -76.92415 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 5 (Fair) |
| Culvert | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Culvert |
| Total Length | 23.0 ft (7 m) |
| Max Span | 9.8 ft (3 m) |
| Deck Width | 38.4 ft (11.7 m) |
| Deck Area | 81.9 sq m |
| Year Built | 1900 (reconstructed 1949) |
Traffic
| Avg Daily Traffic | 3,990 (2009) |
| Truck Traffic | 8% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 624 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 100000080001010 |