US-421 over Poor Fork-Cumberland R
FairHarlan County, Kentucky · NW @ N-Jct US 119 · Structure no. 048B00129N
- Built
- 1978
- 47 years old
- Condition
- Fair
- inspected July 2021
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 207 ft
- 3 main spans
- Daily traffic
- 1,581
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
US-421 over Poor Fork-Cumberland R is a prestressed concrete continuous stringer/multi-beam or girder carrying US-421 over Poor Fork-Cumberland R in Harlan County, Kentucky. It was built in 1978, so it is 47 years old, older than the Kentucky average of 46.6 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 1,581 vehicles a day, roughly 8% of them trucks, projected to reach 1,581 by 2041. The structure is 207 ft (63 m) long and 48 ft wide. If it were closed, the detour would be 55.9 mi (90 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US-421 over Poor Fork-Cumberland R built?
It was built in 1978, making it 47 years old in 2025.
What condition is US-421 over Poor Fork-Cumberland R in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2021.
How much traffic does US-421 over Poor Fork-Cumberland R carry?
About 1,581 vehicles per day (2021 count), of which roughly 8% are trucks.
How long is US-421 over Poor Fork-Cumberland R?
The structure is 207 ft (63 m) long with a longest span of 80 ft (24.4 m) and a deck 48 ft wide.
Who owns US-421 over Poor Fork-Cumberland R?
It is owned by the State Highway Agency.