Ridge Road over Is 70
Fair Condition54 years old1,374 vehicles/day
Location
| State | Maryland |
| County | Frederick |
| Location | 1.57 Mi W Of US 40 |
| Carries | Ridge Road |
| Crosses | Is 70 |
| Coordinates | 39.44376, -77.50063 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel |
| Design | Arch - Deck |
| Total Length | 393.0 ft (119.8 m) |
| Max Span | 250.0 ft (76.2 m) |
| Deck Width | 35.1 ft (10.7 m) |
| Deck Area | 1281.9 sq m |
| Main Spans | 1 |
| Year Built | 1972 |
Traffic
| Avg Daily Traffic | 1,374 (2023) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 4 |
Inspection & Ownership
| Last Inspection | 624 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 100000100155010 |