Us421 over Marsh Swamp
Good Condition64 years old4,400 vehicles/day
Location
| State | North Carolina |
| County | Sampson |
| Location | 0.7 Mi.s. Of Jct Sr1703 |
| Carries | Us421 |
| Crosses | Marsh Swamp |
| Coordinates | 35.10545, -78.39736 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 7 (Good) |
| Culvert | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Culvert |
| Total Length | 24.9 ft (7.6 m) |
| Max Span | 7.9 ft (2.4 m) |
| Deck Area | 62.3 sq m |
| Main Spans | 3 |
| Year Built | 1962 |
Traffic
| Avg Daily Traffic | 4,400 (2022) |
| 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 | 000000001630420 |