Us-421 over Martin Fk-cumberland R
Good Condition26 years old2,750 vehicles/day
Location
| State | Kentucky |
| County | Harlan |
| Location | 1.3 Mi. S Harlan City Lmt |
| Carries | Us-421 |
| Crosses | Martin Fk-cumberland R |
| Coordinates | 36.80694, -83.30333 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 204.1 ft (62.2 m) |
| Max Span | 80.1 ft (24.4 m) |
| Deck Width | 46.9 ft (14.3 m) |
| Deck Area | 889.5 sq m |
| Main Spans | 3 |
| Year Built | 2000 |
Traffic
| Avg Daily Traffic | 2,750 (2022) |
| Truck Traffic | 11% |
| Lanes On 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 | 048B00180N |