US 15 SB over Flat Run
Fair Condition61 years old18,340 vehicles/day
Location
| State | Maryland |
| County | Frederick |
| Location | 0.2 Mile South Of Md 140 |
| Carries | US 15 SB |
| Crosses | Flat Run |
| Coordinates | 39.70017, -77.31517 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 105.0 ft (32 m) |
| Max Span | 52.2 ft (15.9 m) |
| Deck Width | 59.1 ft (18 m) |
| Deck Area | 576 sq m |
| Main Spans | 1 |
| Year Built | 1965 (reconstructed 1981) |
Traffic
| Avg Daily Traffic | 18,340 (2009) |
| Truck Traffic | 8% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 723 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 100000100125010 |