US Bridges

KY-84 over Flats Branch

Fair

Nelson County, Kentucky · 1.8 MI S.E. of JCT Ky 247 · Structure no. 090B00037N

Built
1934
91 years old
Condition
Fair
inspected February 2023
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
478
2021 count
Owner
State
State Highway Agency

About this bridge

KY-84 over Flats Branch is a concrete culvert carrying KY-84 over Flats Branch in Nelson County, Kentucky. It was built in 1934, so it is 91 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 478 vehicles a day, projected to reach 478 by 2041. The structure is 26 ft (7.9 m) long and 18 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

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CarriesKY-84
CrossesFlats Branch
Location1.8 MI S.E. of JCT Ky 247
RouteState Highway 84
CountyNelson County
StateKentucky
Coordinates37.55, -85.5925
Functional classRural Minor Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating77.4 US tons
Inventory rating46.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length26 ft (7.9 m)
Longest span12 ft (3.7 m)
Deck width18 ft (5.5 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic478 (2021)
Projected traffic478 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
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-84 over Flats Branch built?

It was built in 1934, making it 91 years old in 2025.

What condition is KY-84 over Flats Branch 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 February 2023.

How much traffic does KY-84 over Flats Branch carry?

About 478 vehicles per day (2021 count).

How long is KY-84 over Flats Branch?

The structure is 26 ft (7.9 m) long with a longest span of 12 ft (3.7 m) and a deck 18 ft wide.

Who owns KY-84 over Flats Branch?

It is owned by the State Highway Agency.