US 15 Bu over Flat Run
Fair Condition99 years old1,820 vehicles/day
Location
| State | Maryland |
| County | Frederick |
| Location | 0.75 Mile South Of US 15 |
| Carries | US 15 Bu |
| Crosses | Flat Run |
| Coordinates | 39.70846, -77.32170 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Arch - Deck |
| Total Length | 49.9 ft (15.2 m) |
| Max Span | 49.9 ft (15.2 m) |
| Deck Width | 27.2 ft (8.3 m) |
| Deck Area | 126.2 sq m |
| Main Spans | 1 |
| Year Built | 1927 |
Traffic
| Avg Daily Traffic | 1,820 (2009) |
| Truck Traffic | 8% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2024 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is possibly eligible (requires evaluation) |
| Structure Number | 100000100001010 |