ST Marks Road over US 340
Fair Condition62 years old53 vehicles/day
Location
| State | Maryland |
| County | Frederick |
| Location | 0.96 Mi W Of Md 180 |
| Carries | ST Marks Road |
| Crosses | US 340 |
| Coordinates | 39.35458, -77.60049 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 229.0 ft (69.8 m) |
| Max Span | 78.1 ft (23.8 m) |
| Deck Width | 31.2 ft (9.5 m) |
| Deck Area | 663.1 sq m |
| Main Spans | 4 |
| Year Built | 1964 |
Traffic
| Avg Daily Traffic | 53 (1994) |
| Truck Traffic | 8% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 4 |
Inspection & Ownership
| Last Inspection | 224 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 100000100117010 |