US Bridges

KY-478 over Jellico Creek

Fair

Whitley County, Kentucky · 3.0 Mi. W. JCT Ky 204 · Structure no. 118B00107N

Built
1991
34 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
203 ft
2 main spans
Daily traffic
281
2021 count
Owner
State
State Highway Agency

About this bridge

KY-478 over Jellico Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying KY-478 over Jellico Creek in Whitley County, Kentucky. It was built in 1991, so it is 34 years old, younger 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 281 vehicles a day, projected to reach 281 by 2041. The structure is 203 ft (61.9 m) long and 32 ft wide. If it were closed, the detour would be 13 mi (21 km).

Location

Open in Google Maps
CarriesKY-478
CrossesJellico Creek
Location3.0 Mi. W. JCT Ky 204
RouteState Highway 478
CountyWhitley County
StateKentucky
Coordinates36.74556, -84.26583
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.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating81.2 US tons
Inventory rating48.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length203 ft (61.9 m)
Longest span125 ft (38.1 m)
Deck width32 ft (9.7 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic281 (2021)
Projected traffic281 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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 Jellico Creek built?

It was built in 1991, making it 34 years old in 2025.

What condition is KY-478 over Jellico 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 February 2023.

How much traffic does KY-478 over Jellico Creek carry?

About 281 vehicles per day (2021 count).

How long is KY-478 over Jellico Creek?

The structure is 203 ft (61.9 m) long with a longest span of 125 ft (38.1 m) and a deck 32 ft wide.

Who owns KY-478 over Jellico Creek?

It is owned by the State Highway Agency.