St. Marks Road over Broad Run
Good Condition126 years old196 vehicles/day
Location
| State | Maryland |
| County | Frederick |
| Location | 0.7 Miles South Of Md 383 |
| Carries | St. Marks Road |
| Crosses | Broad Run |
| Coordinates | 39.36673, -77.58652 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 7 — Countermeasures installed |
Physical Characteristics
| Material | Steel |
| Design | Truss - Thru |
| Total Length | 73.2 ft (22.3 m) |
| Max Span | 71.9 ft (21.9 m) |
| Deck Width | 12.1 ft (3.7 m) |
| Deck Area | 82.5 sq m |
| Main Spans | 1 |
| Year Built | 1900 (reconstructed 2009) |
Traffic
| Avg Daily Traffic | 196 (2024) |
| Truck Traffic | 5% |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | 924 |
| Inspection Frequency | Every 12 months |
| Owner | County Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | 200000F-1202010 |