Md 320 over Northwest Branch
Fair Condition116 years old21,112 vehicles/day
Location
| State | Maryland |
| County | Prince George's |
| Location | 0.05 Mile South Of Md 650 |
| Carries | Md 320 |
| Crosses | Northwest Branch |
| Coordinates | 39.00158, -76.98321 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Arch - Deck |
| Total Length | 60.0 ft (18.3 m) |
| Max Span | 56.1 ft (17.1 m) |
| Deck Width | 69.9 ft (21.3 m) |
| Deck Area | 389.8 sq m |
| Main Spans | 1 |
| Year Built | 1910 (reconstructed 1955) |
Traffic
| Avg Daily Traffic | 21,112 (2009) |
| Truck Traffic | 8% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | November 2024 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 100000160065010 |