US Bridges

WK-9001 over Clifty Creek

Fair

Grayson County, Kentucky · 1.7 MI West of Ky 720 Op · Structure no. 043B00032N

Built
1963
62 years old
Condition
Fair
inspected September 2024
Type
Culvert
Concrete
Length
24 ft
1 main span
Daily traffic
11,993
2022 count
Owner
State
State Highway Agency

About this bridge

WK-9001 over Clifty Creek is a concrete culvert carrying WK-9001 over Clifty Creek in Grayson County, Kentucky. It was built in 1963, so it is 62 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 11,993 vehicles a day, roughly 33% of them trucks, projected to reach 11,993 by 2042. The structure is 24 ft (7.3 m) long and 80 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesWK-9001
CrossesClifty Creek
Location1.7 MI West of Ky 720 Op
RouteState Highway 9001
Coordinates37.51361, -86.15083
Functional classRural Principal Arterial - Other

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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110 US tons
Inventory rating110 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span20 ft (6.1 m)
Deck width80 ft (24.4 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,993 (2022)
Projected traffic11,993 by 2042
Trucks33%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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 WK-9001 over Clifty Creek built?

It was built in 1963, making it 62 years old in 2025.

What condition is WK-9001 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 September 2024.

How much traffic does WK-9001 over Clifty Creek carry?

About 11,993 vehicles per day (2022 count), of which roughly 33% are trucks.

How long is WK-9001 over Clifty Creek?

The structure is 24 ft (7.3 m) long with a longest span of 20 ft (6.1 m) and a deck 80 ft wide.

Who owns WK-9001 over Clifty Creek?

It is owned by the State Highway Agency.