US-421 over Middle Fork of Ky. River
FairPosted for loadLeslie County, Kentucky · .75 MI N of JCT Ky 1780 · Structure no. 066B00013N
- Built
- 1944
- 81 years old
- Condition
- Fair
- inspected December 2023
- Type
- Tee Beam
- Concrete
- Length
- 212 ft
- 4 main spans
- Daily traffic
- 1,529
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
US-421 over Middle Fork of Ky. River is a concrete tee beam carrying US-421 over Middle Fork of Ky. River in Leslie County, Kentucky. It was built in 1944, so it is 81 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.
It carries about 1,529 vehicles a day, roughly 11% of them trucks, projected to reach 1,529 by 2041. The structure is 212 ft (64.6 m) long and 26 ft wide. If it were closed, the detour would be 29.8 mi (48 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 Middle Fork of Ky. River built?
It was built in 1944, making it 81 years old in 2025.
What condition is US-421 over Middle Fork of Ky. River 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 December 2023.
How much traffic does US-421 over Middle Fork of Ky. River carry?
About 1,529 vehicles per day (2021 count), of which roughly 11% are trucks.
How long is US-421 over Middle Fork of Ky. River?
The structure is 212 ft (64.6 m) long with a longest span of 52 ft (16 m) and a deck 26 ft wide.
Who owns US-421 over Middle Fork of Ky. River?
It is owned by the State Highway Agency.