US Bridges

KY-321 over KY-1428

Fair

Johnson County, Kentucky · Ky 1428 JCT @ W Van Lear · Structure no. 058B00040N

Built
1960
65 years old
Condition
Fair
inspected October 2021
Type
Tee Beam
Concrete Continuous
Length
274 ft
4 main spans
Daily traffic
5,797
2022 count
Owner
State
State Highway Agency

About this bridge

KY-321 over KY-1428 is a concrete continuous tee beam carrying KY-321 over KY-1428 in Johnson County, Kentucky. It was built in 1960, so it is 65 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 5,797 vehicles a day, roughly 34% of them trucks, projected to reach 5,797 by 2042. The structure is 274 ft (83.5 m) long and 38 ft wide.

CarriesKY-321
CrossesKY-1428
LocationKy 1428 JCT @ W Van Lear
RouteState Highway 321
Coordinates37.78278, -82.79694
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating65.5 US tons
Inventory rating38.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length274 ft (83.5 m)
Longest span78 ft (23.8 m)
Deck width38 ft (11.5 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,797 (2022)
Projected traffic5,797 by 2042
Trucks34%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was KY-321 over KY-1428 built?

It was built in 1960, making it 65 years old in 2025.

What condition is KY-321 over KY-1428 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 October 2021.

How much traffic does KY-321 over KY-1428 carry?

About 5,797 vehicles per day (2022 count), of which roughly 34% are trucks.

How long is KY-321 over KY-1428?

The structure is 274 ft (83.5 m) long with a longest span of 78 ft (23.8 m) and a deck 38 ft wide.

Who owns KY-321 over KY-1428?

It is owned by the State Highway Agency.