US Bridges

KY-3428 over Daniel Boone Parkway

Fair

Leslie County, Kentucky · .1 MI N of JCT US421-KY 8 · Structure no. 066B00041N

Built
1973
52 years old
Condition
Fair
inspected December 2023
Type
Tee Beam
Concrete Continuous
Length
284 ft
3 main spans
Daily traffic
24
2022 count
Owner
State
State Highway Agency

About this bridge

KY-3428 over Daniel Boone Parkway is a concrete continuous tee beam carrying KY-3428 over Daniel Boone Parkway in Leslie County, Kentucky. It was built in 1973, so it is 52 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 24 vehicles a day, projected to reach 24 by 2042. The structure is 284 ft (86.5 m) long and 28 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesKY-3428
CrossesDaniel Boone Parkway
Location.1 MI N of JCT US421-KY 8
RouteState Highway 3428
CountyLeslie County
StateKentucky
Coordinates37.16722, -83.54222
Functional classRural Local

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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating68.5 US tons
Inventory rating41 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3 (+1 approach)
Design loadH 20
Structure length284 ft (86.5 m)
Longest span92 ft (28 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24 (2022)
Projected traffic24 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed123.7 mi (199 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-3428 over Daniel Boone Parkway built?

It was built in 1973, making it 52 years old in 2025.

What condition is KY-3428 over Daniel Boone Parkway 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 KY-3428 over Daniel Boone Parkway carry?

About 24 vehicles per day (2022 count).

How long is KY-3428 over Daniel Boone Parkway?

The structure is 284 ft (86.5 m) long with a longest span of 92 ft (28 m) and a deck 28 ft wide.

Who owns KY-3428 over Daniel Boone Parkway?

It is owned by the State Highway Agency.