US Bridges

KY-920 over Clifty Creek

Fair

Grayson County, Kentucky · 1.3 MI Sou. of JCT Ky 720 · Structure no. 043B00084N

Built
1976
49 years old
Condition
Fair
inspected October 2022
Type
Tee Beam
Concrete
Length
159 ft
3 main spans
Daily traffic
1,173
2020 count
Owner
State
State Highway Agency

About this bridge

KY-920 over Clifty Creek is a concrete tee beam carrying KY-920 over Clifty Creek in Grayson County, Kentucky. It was built in 1976, so it is 49 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 1,173 vehicles a day, projected to reach 1,173 by 2040. The structure is 159 ft (48.5 m) long and 25 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

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CarriesKY-920
CrossesClifty Creek
Location1.3 MI Sou. of JCT Ky 720
RouteState Highway 920
CountyGrayson County
StateKentucky
Coordinates37.54806, -86.23528
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110 US tons
Inventory rating101.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length159 ft (48.5 m)
Longest span52 ft (15.7 m)
Deck width25 ft (7.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,173 (2020)
Projected traffic1,173 by 2040
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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-920 over Clifty Creek built?

It was built in 1976, making it 49 years old in 2025.

What condition is KY-920 over Clifty 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 October 2022.

How much traffic does KY-920 over Clifty Creek carry?

About 1,173 vehicles per day (2020 count).

How long is KY-920 over Clifty Creek?

The structure is 159 ft (48.5 m) long with a longest span of 52 ft (15.7 m) and a deck 25 ft wide.

Who owns KY-920 over Clifty Creek?

It is owned by the State Highway Agency.