US Bridges

KY-321 over Johns Creek

Fair

Floyd County, Kentucky · At Floyd/Johnson CO Line · Structure no. 036B00077N

Built
1962
63 years old
Condition
Fair
inspected September 2024
Type
Tee Beam
Concrete Continuous
Length
246 ft
3 main spans
Daily traffic
4,548
2022 count
Owner
State
State Highway Agency

About this bridge

KY-321 over Johns Creek is a concrete continuous tee beam carrying KY-321 over Johns Creek in Floyd County, Kentucky. It was built in 1962, so it is 63 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.

It carries about 4,548 vehicles a day, roughly 4% of them trucks, projected to reach 4,548 by 2042. The structure is 246 ft (75 m) long and 38 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesKY-321
CrossesJohns Creek
LocationAt Floyd/Johnson CO Line
RouteState Highway 321
Coordinates37.7425, -82.76639
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84 US tons
Inventory rating50.4 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length246 ft (75 m)
Longest span100 ft (30.5 m)
Deck width38 ft (11.5 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,548 (2022)
Projected traffic4,548 by 2042
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was KY-321 over Johns Creek built?

It was built in 1962, making it 63 years old in 2025.

What condition is KY-321 over Johns Creek 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 September 2024.

How much traffic does KY-321 over Johns Creek carry?

About 4,548 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is KY-321 over Johns Creek?

The structure is 246 ft (75 m) long with a longest span of 100 ft (30.5 m) and a deck 38 ft wide.

Who owns KY-321 over Johns Creek?

It is owned by the State Highway Agency.