US Bridges

KY-643 over Cedar Creek

FairPosted for load

Lincoln County, Kentucky · 1.9 MI Sou. of JCT Ky 177 · Structure no. 069B00039N

Built
1950
75 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
1,217
2021 count
Owner
State
State Highway Agency

About this bridge

KY-643 over Cedar Creek is a concrete culvert carrying KY-643 over Cedar Creek in Lincoln County, Kentucky. It was built in 1950, so it is 75 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. Its operating status is: posted for load restriction.

It carries about 1,217 vehicles a day, projected to reach 1,217 by 2041. The structure is 26 ft (7.9 m) long and 22 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesKY-643
CrossesCedar Creek
Location1.9 MI Sou. of JCT Ky 177
RouteState Highway 643
Coordinates37.43361, -84.53611
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.7 US tons
Inventory rating22 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length26 ft (7.9 m)
Longest span12 ft (3.8 m)
Deck width22 ft (6.8 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,217 (2021)
Projected traffic1,217 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$70,000
NavigationNo navigation control on waterway

Frequently asked questions

When was KY-643 over Cedar Creek built?

It was built in 1950, making it 75 years old in 2025.

What condition is KY-643 over Cedar 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 April 2024.

How much traffic does KY-643 over Cedar Creek carry?

About 1,217 vehicles per day (2021 count).

How long is KY-643 over Cedar Creek?

The structure is 26 ft (7.9 m) long with a longest span of 12 ft (3.8 m) and a deck 22 ft wide.

Who owns KY-643 over Cedar Creek?

It is owned by the State Highway Agency.