US Bridges

KY-90 over Slate Creek

Fair

Metcalfe County, Kentucky · 1.3 MI W.-Cumb. CO Line · Structure no. 085B00055N

Built
1985
40 years old
Condition
Fair
inspected July 2022
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
69 ft
1 main span
Daily traffic
2,547
2023 count
Owner
State
State Highway Agency

About this bridge

KY-90 over Slate Creek is a prestressed concrete box beam or girders - single or spread carrying KY-90 over Slate Creek in Metcalfe County, Kentucky. It was built in 1985, so it is 40 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 2,547 vehicles a day, roughly 16% of them trucks, projected to reach 2,547 by 2043. The structure is 69 ft (21 m) long and 39 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

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CarriesKY-90
CrossesSlate Creek
Location1.3 MI W.-Cumb. CO Line
RouteState Highway 90
CountyMetcalfe County
StateKentucky
Coordinates36.84306, -85.59417
Functional classRural 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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2022
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating105.2 US tons
Inventory rating63.1 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length69 ft (21 m)
Longest span63 ft (19.2 m)
Deck width39 ft (12 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,547 (2023)
Projected traffic2,547 by 2043
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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-90 over Slate Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is KY-90 over Slate 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 July 2022.

How much traffic does KY-90 over Slate Creek carry?

About 2,547 vehicles per day (2023 count), of which roughly 16% are trucks.

How long is KY-90 over Slate Creek?

The structure is 69 ft (21 m) long with a longest span of 63 ft (19.2 m) and a deck 39 ft wide.

Who owns KY-90 over Slate Creek?

It is owned by the State Highway Agency.