US 15 Nbr over Flat Run
Good Condition45 years old18,340 vehicles/day
Location
| State | Maryland |
| County | Frederick |
| Location | 0.2 Mile South Of Md 140 |
| Carries | US 15 Nbr |
| Crosses | Flat Run |
| Coordinates | 39.69997, -77.31496 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 105.0 ft (32 m) |
| Max Span | 52.2 ft (15.9 m) |
| Deck Width | 56.1 ft (17.1 m) |
| Deck Area | 547.2 sq m |
| Main Spans | 2 |
| Year Built | 1981 |
Traffic
| Avg Daily Traffic | 18,340 (2009) |
| Truck Traffic | 8% |
| Lanes On Bridge | 3 |
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 | 100000100166010 |