Is 70 over Grindstone Run
Fair Condition58 years old70,011 vehicles/day
Location
| State | Maryland |
| County | Frederick |
| Location | 0.3 Mile West Of Md 17 |
| Carries | Is 70 |
| Crosses | Grindstone Run |
| Coordinates | 39.49891, -77.57228 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Arch - Deck |
| Total Length | 34.1 ft (10.4 m) |
| Max Span | 34.1 ft (10.4 m) |
| Deck Width | 30.2 ft (9.2 m) |
| Deck Area | 95.7 sq m |
| Main Spans | 1 |
| Year Built | 1968 |
Traffic
| Avg Daily Traffic | 70,011 (2013) |
| Truck Traffic | 8% |
| Lanes On Bridge | 5 |
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 | 100000100135010 |