Md 28 over Br Of Potomac River
Fair Condition89 years old6,272 vehicles/day
Location
| State | Maryland |
| County | Frederick |
| Location | 0.58 Mi E Of Rock Hall RD |
| Carries | Md 28 |
| Crosses | Br Of Potomac River |
| Coordinates | 39.27485, -77.51649 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete |
| Design | Slab |
| Total Length | 21.0 ft (6.4 m) |
| Max Span | 14.1 ft (4.3 m) |
| Deck Width | 29.9 ft (9.1 m) |
| Deck Area | 58.2 sq m |
| Main Spans | 1 |
| Year Built | 1937 |
Traffic
| Avg Daily Traffic | 6,272 (2009) |
| Truck Traffic | 8% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 125 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is possibly eligible (requires evaluation) |
| Structure Number | 100000100015010 |