US Bridges

KY-547 over Four Mile Creek

FairPosted for load

Campbell County, Kentucky · 1.4 MI N of JCT Ky 1997 · Structure no. 019B00024N

Built
1936
89 years old
Condition
Fair
inspected August 2023
Type
Tee Beam
Concrete
Length
40 ft
1 main span
Daily traffic
1,415
2023 count
Owner
State
State Highway Agency

About this bridge

KY-547 over Four Mile Creek is a concrete tee beam carrying KY-547 over Four Mile Creek in Campbell County, Kentucky. It was built in 1936, so it is 89 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 5 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 1,415 vehicles a day, roughly 5% of them trucks, projected to reach 1,415 by 2043. The structure is 40 ft (12.2 m) long and 22 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesKY-547
CrossesFour Mile Creek
Location1.4 MI N of JCT Ky 1997
RouteState Highway 547
CountyCampbell County
StateKentucky
Coordinates39.01444, -84.37167
Functional classUrban 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
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 alignment6: Equal to present minimum criteria
Operating rating42 US tons
Inventory rating25.2 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length40 ft (12.2 m)
Longest span38 ft (11.6 m)
Deck width22 ft (6.7 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,415 (2023)
Projected traffic1,415 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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$110,000
NavigationNo navigation control on waterway

Frequently asked questions

When was KY-547 over Four Mile Creek built?

It was built in 1936, making it 89 years old in 2025.

What condition is KY-547 over Four Mile 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 August 2023.

How much traffic does KY-547 over Four Mile Creek carry?

About 1,415 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is KY-547 over Four Mile Creek?

The structure is 40 ft (12.2 m) long with a longest span of 38 ft (11.6 m) and a deck 22 ft wide.

Who owns KY-547 over Four Mile Creek?

It is owned by the State Highway Agency.