US Bridges

KY-36 over Flat Creek

Fair

Bath County, Kentucky · 2.1 MI W of JCT Ky 1325 · Structure no. 006B00068N

Built
1981
44 years old
Condition
Fair
inspected May 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
195 ft
3 main spans
Daily traffic
605
2021 count
Owner
State
State Highway Agency

About this bridge

KY-36 over Flat Creek is a prestressed concrete continuous box beam or girders - single or spread carrying KY-36 over Flat Creek in Bath County, Kentucky. It was built in 1981, so it is 44 years old, younger 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 605 vehicles a day, roughly 10% of them trucks, projected to reach 605 by 2041. The structure is 195 ft (59.3 m) long and 29 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

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CarriesKY-36
CrossesFlat Creek
Location2.1 MI W of JCT Ky 1325
RouteState Highway 36
CountyBath County
StateKentucky
Coordinates38.20306, -83.85194
Functional classRural Major 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating69.7 US tons
Inventory rating41.8 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length195 ft (59.3 m)
Longest span73 ft (22.3 m)
Deck width29 ft (8.9 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic605 (2021)
Projected traffic605 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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-36 over Flat Creek built?

It was built in 1981, making it 44 years old in 2025.

What condition is KY-36 over Flat 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 May 2023.

How much traffic does KY-36 over Flat Creek carry?

About 605 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is KY-36 over Flat Creek?

The structure is 195 ft (59.3 m) long with a longest span of 73 ft (22.3 m) and a deck 29 ft wide.

Who owns KY-36 over Flat Creek?

It is owned by the State Highway Agency.