US 1 Alt over Anacostia River
Fair Condition71 years old22,252 vehicles/day
Location
| State | Maryland |
| County | Prince George's |
| Location | 0.05 Mile South Of Md 450 |
| Carries | US 1 Alt |
| Crosses | Anacostia River |
| Coordinates | 38.93852, -76.94330 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 8 (Very Good) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 274.9 ft (83.8 m) |
| Max Span | 104.0 ft (31.7 m) |
| Deck Width | 70.5 ft (21.5 m) |
| Deck Area | 1801.7 sq m |
| Main Spans | 3 |
| Year Built | 1955 (reconstructed 2006) |
Traffic
| Avg Daily Traffic | 22,252 (2009) |
| Truck Traffic | 8% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | 424 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 100000160008010 |