Us-421 over Martins Fk Csx Ky-3001
Good Condition22 years old2,750 vehicles/day
Location
| State | Kentucky |
| County | Harlan |
| Location | Martins Fk Csx Old421 |
| Carries | Us-421 |
| Crosses | Martins Fk Csx Ky-3001 |
| Coordinates | 36.80639, -83.27056 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 1165.0 ft (355.1 m) |
| Max Span | 126.0 ft (38.4 m) |
| Deck Width | 49.9 ft (15.2 m) |
| Deck Area | 5397.5 sq m |
| Main Spans | 10 |
| Year Built | 2004 |
Traffic
| Avg Daily Traffic | 2,750 (2022) |
| Truck Traffic | 11% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | 623 |
| Inspection Frequency | Every 48 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 048B00189N |