Md 851 over South Br Patapsco River
Fair Condition51 years old1,301 vehicles/day
Location
| State | Maryland |
| County | Howard |
| Location | On Carroll Co Line |
| Carries | Md 851 |
| Crosses | South Br Patapsco River |
| Coordinates | 39.36358, -76.96912 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 150.9 ft (46 m) |
| Max Span | 74.1 ft (22.6 m) |
| Deck Width | 36.7 ft (11.2 m) |
| Deck Area | 515.2 sq m |
| Main Spans | 2 |
| Year Built | 1975 |
Traffic
| Avg Daily Traffic | 1,301 (2009) |
| Truck Traffic | 8% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 924 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 100000130018010 |