Chain Bridge over Potomac R. & C&o
Good Condition89 years old20,600 vehicles/day
Location
| State | District of Columbia |
| County | District of Columbia |
| Location | Over Potomac River N.w. |
| Carries | Chain Bridge |
| Crosses | Potomac R. & C&o |
| Coordinates | 38.92944, -77.11697 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel Continuous |
| Design | Girder and Floorbeam |
| Total Length | 1382.9 ft (421.5 m) |
| Max Span | 171.9 ft (52.4 m) |
| Deck Width | 44.6 ft (13.6 m) |
| Deck Area | 5732.4 sq m |
| Main Spans | 8 |
| Year Built | 1937 (reconstructed 2011) |
Traffic
| Avg Daily Traffic | 20,600 (2018) |
| Truck Traffic | 2% |
| Lanes On Bridge | 3 |
Inspection & Ownership
| Last Inspection | 324 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is possibly eligible (requires evaluation) |
| Structure Number | 0001 |