US Bridges

KY-478 over Bridge Fork Creek

PoorPosted for load

McCreary County, Kentucky · 4.3 Mi. E. JCT US 27 · Structure no. 074B00025N

Built
1981
44 years old
Condition
Poor
inspected February 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
46 ft
1 main span
Daily traffic
220
2021 count
Owner
State
State Highway Agency

About this bridge

KY-478 over Bridge Fork Creek is a prestressed concrete box beam or girders - multiple carrying KY-478 over Bridge Fork Creek in McCreary County, Kentucky. It was built in 1981, so it is 44 years old, younger than the Kentucky average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 220 vehicles a day, projected to reach 220 by 2041. The structure is 46 ft (14 m) long and 24 ft wide. If it were closed, the detour would be 27.3 mi (44 km).

CarriesKY-478
CrossesBridge Fork Creek
Location4.3 Mi. E. JCT US 27
RouteState Highway 478
Coordinates36.72833, -84.40333
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
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 rating54.6 US tons
Inventory rating32.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length46 ft (14 m)
Longest span45 ft (13.6 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic220 (2021)
Projected traffic220 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed27.3 mi (44 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-478 over Bridge Fork Creek built?

It was built in 1981, making it 44 years old in 2025.

What condition is KY-478 over Bridge Fork Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2024.

How much traffic does KY-478 over Bridge Fork Creek carry?

About 220 vehicles per day (2021 count).

How long is KY-478 over Bridge Fork Creek?

The structure is 46 ft (14 m) long with a longest span of 45 ft (13.6 m) and a deck 24 ft wide.

Who owns KY-478 over Bridge Fork Creek?

It is owned by the State Highway Agency.