US-421 over Poor Fk Cumberland River
GoodHarlan County, Kentucky · 1.0 MI S of Harlan · Structure no. 048B00167N
- Built
- 1987
- 38 years old
- Condition
- Good
- inspected June 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 268 ft
- 3 main spans
- Daily traffic
- 5,821
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US-421 over Poor Fk Cumberland River is a prestressed concrete continuous stringer/multi-beam or girder carrying US-421 over Poor Fk Cumberland River in Harlan County, Kentucky. It was built in 1987, so it is 38 years old, younger than the Kentucky average of 46.6 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 5,821 vehicles a day, roughly 7% of them trucks, projected to reach 5,821 by 2043. The structure is 268 ft (81.8 m) long and 47 ft wide. If it were closed, the detour would be 53.4 mi (86 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US-421 over Poor Fk Cumberland River built?
It was built in 1987, making it 38 years old in 2025.
What condition is US-421 over Poor Fk Cumberland River in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2023.
How much traffic does US-421 over Poor Fk Cumberland River carry?
About 5,821 vehicles per day (2023 count), of which roughly 7% are trucks.
How long is US-421 over Poor Fk Cumberland River?
The structure is 268 ft (81.8 m) long with a longest span of 100 ft (30.5 m) and a deck 47 ft wide.
Who owns US-421 over Poor Fk Cumberland River?
It is owned by the State Highway Agency.