US-421 over Island Creek
GoodClay County, Kentucky · 1.5 MI N.Of JCT Ky 638 · Structure no. 026B00116N
- Built
- 2016
- 9 years old
- Condition
- Good
- inspected August 2022
- Type
- Box Beam or Girders - Single or Spread
- Prestressed Concrete
- Length
- 65 ft
- 1 main span
- Daily traffic
- 8,172
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
US-421 over Island Creek is a prestressed concrete box beam or girders - single or spread carrying US-421 over Island Creek in Clay County, Kentucky. It was built in 2016, so it is 9 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 8,172 vehicles a day, roughly 21% of them trucks, projected to reach 8,172 by 2042. The structure is 65 ft (19.8 m) long and 37 ft wide. If it were closed, the detour would be 13 mi (21 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 | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US-421 over Island Creek built?
It was built in 2016, making it 9 years old in 2025.
What condition is US-421 over Island Creek 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 August 2022.
How much traffic does US-421 over Island Creek carry?
About 8,172 vehicles per day (2022 count), of which roughly 21% are trucks.
How long is US-421 over Island Creek?
The structure is 65 ft (19.8 m) long with a longest span of 61 ft (18.7 m) and a deck 37 ft wide.
Who owns US-421 over Island Creek?
It is owned by the State Highway Agency.